Home / 55,833.65-77,050.76-30,340.23

Finding the Fourth Proportional to 55,833.65, 77,050.76 and 30,340.23

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Solution

The fourth proportional to 55,833.65, 77,050.76 and 30,340.23 is: 41,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,833.65 : 77,050.76 = 30,340.23 : x
  2. Step 2: Convert to fraction form
    55,833.65/77,050.76 = 30,340.23/x
  3. Step 3: Cross multiply
    55,833.65x = 77,050.76 × 30,340.23
  4. Step 4: Simplify right side
    55,833.65x = 2,337,737,628.37
  5. Step 5: Solve for x
    x = 2,337,737,628.37/55,833.65
  6. Step 6: Final answer
    x = 41,869.69

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Double scale
Find fourth proportional to 55,834.65, 77,052.14 and 30,341.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.