Home / 29,354.13-40,508.70-16,779.15

Finding the Fourth Proportional to 29,354.13, 40,508.70 and 16,779.15

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Solution

The fourth proportional to 29,354.13, 40,508.70 and 16,779.15 is: 23,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,354.13 : 40,508.70 = 16,779.15 : x
  2. Step 2: Convert to fraction form
    29,354.13/40,508.70 = 16,779.15/x
  3. Step 3: Cross multiply
    29,354.13x = 40,508.70 × 16,779.15
  4. Step 4: Simplify right side
    29,354.13x = 679,701,469.71
  5. Step 5: Solve for x
    x = 679,701,469.71/29,354.13
  6. Step 6: Final answer
    x = 23,155.22

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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.