Home / 56,265.83-77,643.71-30,767.13

Finding the Fourth Proportional to 56,265.83, 77,643.71 and 30,767.13

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Solution

The fourth proportional to 56,265.83, 77,643.71 and 30,767.13 is: 42,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,265.83 : 77,643.71 = 30,767.13 : x
  2. Step 2: Convert to fraction form
    56,265.83/77,643.71 = 30,767.13/x
  3. Step 3: Cross multiply
    56,265.83x = 77,643.71 × 30,767.13
  4. Step 4: Simplify right side
    56,265.83x = 2,388,874,119.25
  5. Step 5: Solve for x
    x = 2,388,874,119.25/56,265.83
  6. Step 6: Final answer
    x = 42,456.92

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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.