Home / 30,159.96-45,061.38-29,126.40

Finding the Fourth Proportional to 30,159.96, 45,061.38 and 29,126.40

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Solution

The fourth proportional to 30,159.96, 45,061.38 and 29,126.40 is: 43,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.96 : 45,061.38 = 29,126.40 : x
  2. Step 2: Convert to fraction form
    30,159.96/45,061.38 = 29,126.40/x
  3. Step 3: Cross multiply
    30,159.96x = 45,061.38 × 29,126.40
  4. Step 4: Simplify right side
    30,159.96x = 1,312,475,778.43
  5. Step 5: Solve for x
    x = 1,312,475,778.43/30,159.96
  6. Step 6: Final answer
    x = 43,517.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.