Home / 47,089.59-65,000.70-31,179.17

Finding the Fourth Proportional to 47,089.59, 65,000.70 and 31,179.17

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Solution

The fourth proportional to 47,089.59, 65,000.70 and 31,179.17 is: 43,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089.59 : 65,000.70 = 31,179.17 : x
  2. Step 2: Convert to fraction form
    47,089.59/65,000.70 = 31,179.17/x
  3. Step 3: Cross multiply
    47,089.59x = 65,000.70 × 31,179.17
  4. Step 4: Simplify right side
    47,089.59x = 2,026,667,875.42
  5. Step 5: Solve for x
    x = 2,026,667,875.42/47,089.59
  6. Step 6: Final answer
    x = 43,038.55

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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.