Home / 56,854.38-78,459.12-31,360.17

Finding the Fourth Proportional to 56,854.38, 78,459.12 and 31,360.17

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Solution

The fourth proportional to 56,854.38, 78,459.12 and 31,360.17 is: 43,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854.38 : 78,459.12 = 31,360.17 : x
  2. Step 2: Convert to fraction form
    56,854.38/78,459.12 = 31,360.17/x
  3. Step 3: Cross multiply
    56,854.38x = 78,459.12 × 31,360.17
  4. Step 4: Simplify right side
    56,854.38x = 2,460,491,341.25
  5. Step 5: Solve for x
    x = 2,460,491,341.25/56,854.38
  6. Step 6: Final answer
    x = 43,277.08

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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.