Home / 47,089.13-65,000.05-31,178.70

Finding the Fourth Proportional to 47,089.13, 65,000.05 and 31,178.70

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Solution

The fourth proportional to 47,089.13, 65,000.05 and 31,178.70 is: 43,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089.13 : 65,000.05 = 31,178.70 : x
  2. Step 2: Convert to fraction form
    47,089.13/65,000.05 = 31,178.70/x
  3. Step 3: Cross multiply
    47,089.13x = 65,000.05 × 31,178.70
  4. Step 4: Simplify right side
    47,089.13x = 2,026,617,058.94
  5. Step 5: Solve for x
    x = 2,026,617,058.94/47,089.13
  6. Step 6: Final answer
    x = 43,037.90

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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.