Home / 42,302.61-58,375.08-23,178.57

Finding the Fourth Proportional to 42,302.61, 58,375.08 and 23,178.57

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Solution

The fourth proportional to 42,302.61, 58,375.08 and 23,178.57 is: 31,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,302.61 : 58,375.08 = 23,178.57 : x
  2. Step 2: Convert to fraction form
    42,302.61/58,375.08 = 23,178.57/x
  3. Step 3: Cross multiply
    42,302.61x = 58,375.08 × 23,178.57
  4. Step 4: Simplify right side
    42,302.61x = 1,353,050,878.04
  5. Step 5: Solve for x
    x = 1,353,050,878.04/42,302.61
  6. Step 6: Final answer
    x = 31,985.04

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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.