Home / 29,145.60-43,730.55-9,430.20

Finding the Fourth Proportional to 29,145.60, 43,730.55 and 9,430.20

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Solution

The fourth proportional to 29,145.60, 43,730.55 and 9,430.20 is: 14,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.60 : 43,730.55 = 9,430.20 : x
  2. Step 2: Convert to fraction form
    29,145.60/43,730.55 = 9,430.20/x
  3. Step 3: Cross multiply
    29,145.60x = 43,730.55 × 9,430.20
  4. Step 4: Simplify right side
    29,145.60x = 412,387,832.61
  5. Step 5: Solve for x
    x = 412,387,832.61/29,145.60
  6. Step 6: Final answer
    x = 14,149.23

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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.