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Finding the Fourth Proportional to 47,372.19, 65,373.22 and 26,151

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Solution

The fourth proportional to 47,372.19, 65,373.22 and 26,151 is: 36,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,372.19 : 65,373.22 = 26,151 : x
  2. Step 2: Convert to fraction form
    47,372.19/65,373.22 = 26,151/x
  3. Step 3: Cross multiply
    47,372.19x = 65,373.22 × 26,151
  4. Step 4: Simplify right side
    47,372.19x = 1,709,575,108.91
  5. Step 5: Solve for x
    x = 1,709,575,108.91/47,372.19
  6. Step 6: Final answer
    x = 36,088.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.