Home / 56,357.33-77,772.17-31,206.29

Finding the Fourth Proportional to 56,357.33, 77,772.17 and 31,206.29

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Solution

The fourth proportional to 56,357.33, 77,772.17 and 31,206.29 is: 43,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,357.33 : 77,772.17 = 31,206.29 : x
  2. Step 2: Convert to fraction form
    56,357.33/77,772.17 = 31,206.29/x
  3. Step 3: Cross multiply
    56,357.33x = 77,772.17 × 31,206.29
  4. Step 4: Simplify right side
    56,357.33x = 2,426,980,734.92
  5. Step 5: Solve for x
    x = 2,426,980,734.92/56,357.33
  6. Step 6: Final answer
    x = 43,064.15

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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.