Home / 47,781.60-71,366.86-43,271.94

Finding the Fourth Proportional to 47,781.60, 71,366.86 and 43,271.94

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Solution

The fourth proportional to 47,781.60, 71,366.86 and 43,271.94 is: 64,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.60 : 71,366.86 = 43,271.94 : x
  2. Step 2: Convert to fraction form
    47,781.60/71,366.86 = 43,271.94/x
  3. Step 3: Cross multiply
    47,781.60x = 71,366.86 × 43,271.94
  4. Step 4: Simplify right side
    47,781.60x = 3,088,182,483.91
  5. Step 5: Solve for x
    x = 3,088,182,483.91/47,781.60
  6. Step 6: Final answer
    x = 64,631.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.