Home / 55,059.66-75,987.67-30,864.74

Finding the Fourth Proportional to 55,059.66, 75,987.67 and 30,864.74

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Solution

The fourth proportional to 55,059.66, 75,987.67 and 30,864.74 is: 42,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,059.66 : 75,987.67 = 30,864.74 : x
  2. Step 2: Convert to fraction form
    55,059.66/75,987.67 = 30,864.74/x
  3. Step 3: Cross multiply
    55,059.66x = 75,987.67 × 30,864.74
  4. Step 4: Simplify right side
    55,059.66x = 2,345,339,677.76
  5. Step 5: Solve for x
    x = 2,345,339,677.76/55,059.66
  6. Step 6: Final answer
    x = 42,596.33

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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.