Home / 56,460.62-77,915.64-31,310.12

Finding the Fourth Proportional to 56,460.62, 77,915.64 and 31,310.12

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Solution

The fourth proportional to 56,460.62, 77,915.64 and 31,310.12 is: 43,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460.62 : 77,915.64 = 31,310.12 : x
  2. Step 2: Convert to fraction form
    56,460.62/77,915.64 = 31,310.12/x
  3. Step 3: Cross multiply
    56,460.62x = 77,915.64 × 31,310.12
  4. Step 4: Simplify right side
    56,460.62x = 2,439,548,038.28
  5. Step 5: Solve for x
    x = 2,439,548,038.28/56,460.62
  6. Step 6: Final answer
    x = 43,207.96

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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.