Home / 61,421.12-92,134.30-21,444.13

Finding the Fourth Proportional to 61,421.12, 92,134.30 and 21,444.13

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Solution

The fourth proportional to 61,421.12, 92,134.30 and 21,444.13 is: 32,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,421.12 : 92,134.30 = 21,444.13 : x
  2. Step 2: Convert to fraction form
    61,421.12/92,134.30 = 21,444.13/x
  3. Step 3: Cross multiply
    61,421.12x = 92,134.30 × 21,444.13
  4. Step 4: Simplify right side
    61,421.12x = 1,975,739,622.71
  5. Step 5: Solve for x
    x = 1,975,739,622.71/61,421.12
  6. Step 6: Final answer
    x = 32,167.10

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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.