Home / 29,133.10-43,711.80-9,417.70

Finding the Fourth Proportional to 29,133.10, 43,711.80 and 9,417.70

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Solution

The fourth proportional to 29,133.10, 43,711.80 and 9,417.70 is: 14,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,133.10 : 43,711.80 = 9,417.70 : x
  2. Step 2: Convert to fraction form
    29,133.10/43,711.80 = 9,417.70/x
  3. Step 3: Cross multiply
    29,133.10x = 43,711.80 × 9,417.70
  4. Step 4: Simplify right side
    29,133.10x = 411,664,618.86
  5. Step 5: Solve for x
    x = 411,664,618.86/29,133.10
  6. Step 6: Final answer
    x = 14,130.48

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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.