Home / 38,154.94-52,655.52-21,158.04

Finding the Fourth Proportional to 38,154.94, 52,655.52 and 21,158.04

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Solution

The fourth proportional to 38,154.94, 52,655.52 and 21,158.04 is: 29,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.94 : 52,655.52 = 21,158.04 : x
  2. Step 2: Convert to fraction form
    38,154.94/52,655.52 = 21,158.04/x
  3. Step 3: Cross multiply
    38,154.94x = 52,655.52 × 21,158.04
  4. Step 4: Simplify right side
    38,154.94x = 1,114,087,598.38
  5. Step 5: Solve for x
    x = 1,114,087,598.38/38,154.94
  6. Step 6: Final answer
    x = 29,199.04

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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.