Home / 47,700.40-71,551.26-14,420.74

Finding the Fourth Proportional to 47,700.40, 71,551.26 and 14,420.74

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Solution

The fourth proportional to 47,700.40, 71,551.26 and 14,420.74 is: 21,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,700.40 : 71,551.26 = 14,420.74 : x
  2. Step 2: Convert to fraction form
    47,700.40/71,551.26 = 14,420.74/x
  3. Step 3: Cross multiply
    47,700.40x = 71,551.26 × 14,420.74
  4. Step 4: Simplify right side
    47,700.40x = 1,031,822,117.13
  5. Step 5: Solve for x
    x = 1,031,822,117.13/47,700.40
  6. Step 6: Final answer
    x = 21,631.31

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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.