Home / 42,442.60-63,692.70-27,615.40

Finding the Fourth Proportional to 42,442.60, 63,692.70 and 27,615.40

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Solution

The fourth proportional to 42,442.60, 63,692.70 and 27,615.40 is: 41,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442.60 : 63,692.70 = 27,615.40 : x
  2. Step 2: Convert to fraction form
    42,442.60/63,692.70 = 27,615.40/x
  3. Step 3: Cross multiply
    42,442.60x = 63,692.70 × 27,615.40
  4. Step 4: Simplify right side
    42,442.60x = 1,758,899,387.58
  5. Step 5: Solve for x
    x = 1,758,899,387.58/42,442.60
  6. Step 6: Final answer
    x = 41,441.84

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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.