Home / 56,740.92-78,301.83-31,246.77

Finding the Fourth Proportional to 56,740.92, 78,301.83 and 31,246.77

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Solution

The fourth proportional to 56,740.92, 78,301.83 and 31,246.77 is: 43,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,740.92 : 78,301.83 = 31,246.77 : x
  2. Step 2: Convert to fraction form
    56,740.92/78,301.83 = 31,246.77/x
  3. Step 3: Cross multiply
    56,740.92x = 78,301.83 × 31,246.77
  4. Step 4: Simplify right side
    56,740.92x = 2,446,679,272.59
  5. Step 5: Solve for x
    x = 2,446,679,272.59/56,740.92
  6. Step 6: Final answer
    x = 43,120.19

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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.