Home / 56,565.14-78,055.24-31,070.18

Finding the Fourth Proportional to 56,565.14, 78,055.24 and 31,070.18

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Solution

The fourth proportional to 56,565.14, 78,055.24 and 31,070.18 is: 42,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,565.14 : 78,055.24 = 31,070.18 : x
  2. Step 2: Convert to fraction form
    56,565.14/78,055.24 = 31,070.18/x
  3. Step 3: Cross multiply
    56,565.14x = 78,055.24 × 31,070.18
  4. Step 4: Simplify right side
    56,565.14x = 2,425,190,356.74
  5. Step 5: Solve for x
    x = 2,425,190,356.74/56,565.14
  6. Step 6: Final answer
    x = 42,874.29

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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.