Home / 29,146.50-43,720.14-9,155.34

Finding the Fourth Proportional to 29,146.50, 43,720.14 and 9,155.34

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Solution

The fourth proportional to 29,146.50, 43,720.14 and 9,155.34 is: 13,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.50 : 43,720.14 = 9,155.34 : x
  2. Step 2: Convert to fraction form
    29,146.50/43,720.14 = 9,155.34/x
  3. Step 3: Cross multiply
    29,146.50x = 43,720.14 × 9,155.34
  4. Step 4: Simplify right side
    29,146.50x = 400,272,746.55
  5. Step 5: Solve for x
    x = 400,272,746.55/29,146.50
  6. Step 6: Final answer
    x = 13,733.13

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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.