Home / 55,001.32-75,895.54-30,798.92

Finding the Fourth Proportional to 55,001.32, 75,895.54 and 30,798.92

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Solution

The fourth proportional to 55,001.32, 75,895.54 and 30,798.92 is: 42,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,001.32 : 75,895.54 = 30,798.92 : x
  2. Step 2: Convert to fraction form
    55,001.32/75,895.54 = 30,798.92/x
  3. Step 3: Cross multiply
    55,001.32x = 75,895.54 × 30,798.92
  4. Step 4: Simplify right side
    55,001.32x = 2,337,500,350.65
  5. Step 5: Solve for x
    x = 2,337,500,350.65/55,001.32
  6. Step 6: Final answer
    x = 42,498.99

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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.