Home / 31,577.49-47,349.77-27,980.15

Finding the Fourth Proportional to 31,577.49, 47,349.77 and 27,980.15

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Solution

The fourth proportional to 31,577.49, 47,349.77 and 27,980.15 is: 41,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.49 : 47,349.77 = 27,980.15 : x
  2. Step 2: Convert to fraction form
    31,577.49/47,349.77 = 27,980.15/x
  3. Step 3: Cross multiply
    31,577.49x = 47,349.77 × 27,980.15
  4. Step 4: Simplify right side
    31,577.49x = 1,324,853,290.42
  5. Step 5: Solve for x
    x = 1,324,853,290.42/31,577.49
  6. Step 6: Final answer
    x = 41,955.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.