Home / 47,941.18-71,886.43-21,275.58

Finding the Fourth Proportional to 47,941.18, 71,886.43 and 21,275.58

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Solution

The fourth proportional to 47,941.18, 71,886.43 and 21,275.58 is: 31,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941.18 : 71,886.43 = 21,275.58 : x
  2. Step 2: Convert to fraction form
    47,941.18/71,886.43 = 21,275.58/x
  3. Step 3: Cross multiply
    47,941.18x = 71,886.43 × 21,275.58
  4. Step 4: Simplify right side
    47,941.18x = 1,529,425,439.19
  5. Step 5: Solve for x
    x = 1,529,425,439.19/47,941.18
  6. Step 6: Final answer
    x = 31,902.13

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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.