Home / 31,459.52-47,181.72-9,266.90

Finding the Fourth Proportional to 31,459.52, 47,181.72 and 9,266.90

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Solution

The fourth proportional to 31,459.52, 47,181.72 and 9,266.90 is: 13,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.52 : 47,181.72 = 9,266.90 : x
  2. Step 2: Convert to fraction form
    31,459.52/47,181.72 = 9,266.90/x
  3. Step 3: Cross multiply
    31,459.52x = 47,181.72 × 9,266.90
  4. Step 4: Simplify right side
    31,459.52x = 437,228,281.07
  5. Step 5: Solve for x
    x = 437,228,281.07/31,459.52
  6. Step 6: Final answer
    x = 13,898.12

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1.5x scale

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.