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Finding the Fourth Proportional to 47,602.56, 65,691.54 and 26,383.20

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Solution

The fourth proportional to 47,602.56, 65,691.54 and 26,383.20 is: 36,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,602.56 : 65,691.54 = 26,383.20 : x
  2. Step 2: Convert to fraction form
    47,602.56/65,691.54 = 26,383.20/x
  3. Step 3: Cross multiply
    47,602.56x = 65,691.54 × 26,383.20
  4. Step 4: Simplify right side
    47,602.56x = 1,733,153,038.13
  5. Step 5: Solve for x
    x = 1,733,153,038.13/47,602.56
  6. Step 6: Final answer
    x = 36,408.82

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1.5x scale

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.