Home / 56,864.73-78,473.88-31,372.23

Finding the Fourth Proportional to 56,864.73, 78,473.88 and 31,372.23

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Solution

The fourth proportional to 56,864.73, 78,473.88 and 31,372.23 is: 43,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864.73 : 78,473.88 = 31,372.23 : x
  2. Step 2: Convert to fraction form
    56,864.73/78,473.88 = 31,372.23/x
  3. Step 3: Cross multiply
    56,864.73x = 78,473.88 × 31,372.23
  4. Step 4: Simplify right side
    56,864.73x = 2,461,900,612.35
  5. Step 5: Solve for x
    x = 2,461,900,612.35/56,864.73
  6. Step 6: Final answer
    x = 43,293.98

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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.