Home / 31,577.48-47,367-14,945.28

Finding the Fourth Proportional to 31,577.48, 47,367 and 14,945.28

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Solution

The fourth proportional to 31,577.48, 47,367 and 14,945.28 is: 22,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.48 : 47,367 = 14,945.28 : x
  2. Step 2: Convert to fraction form
    31,577.48/47,367 = 14,945.28/x
  3. Step 3: Cross multiply
    31,577.48x = 47,367 × 14,945.28
  4. Step 4: Simplify right side
    31,577.48x = 707,913,077.76
  5. Step 5: Solve for x
    x = 707,913,077.76/31,577.48
  6. Step 6: Final answer
    x = 22,418.29

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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.