Home / 29,017.43-40,061.53-18,962.70

Finding the Fourth Proportional to 29,017.43, 40,061.53 and 18,962.70

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Solution

The fourth proportional to 29,017.43, 40,061.53 and 18,962.70 is: 26,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.43 : 40,061.53 = 18,962.70 : x
  2. Step 2: Convert to fraction form
    29,017.43/40,061.53 = 18,962.70/x
  3. Step 3: Cross multiply
    29,017.43x = 40,061.53 × 18,962.70
  4. Step 4: Simplify right side
    29,017.43x = 759,674,774.93
  5. Step 5: Solve for x
    x = 759,674,774.93/29,017.43
  6. Step 6: Final answer
    x = 26,179.95

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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.