Home / 56,504.67-77,980.09-31,354.17

Finding the Fourth Proportional to 56,504.67, 77,980.09 and 31,354.17

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Solution

The fourth proportional to 56,504.67, 77,980.09 and 31,354.17 is: 43,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,504.67 : 77,980.09 = 31,354.17 : x
  2. Step 2: Convert to fraction form
    56,504.67/77,980.09 = 31,354.17/x
  3. Step 3: Cross multiply
    56,504.67x = 77,980.09 × 31,354.17
  4. Step 4: Simplify right side
    56,504.67x = 2,445,001,213.28
  5. Step 5: Solve for x
    x = 2,445,001,213.28/56,504.67
  6. Step 6: Final answer
    x = 43,270.78

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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.