Home / 42,354.03-63,529.97-11,189.55

Finding the Fourth Proportional to 42,354.03, 63,529.97 and 11,189.55

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Solution

The fourth proportional to 42,354.03, 63,529.97 and 11,189.55 is: 16,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,354.03 : 63,529.97 = 11,189.55 : x
  2. Step 2: Convert to fraction form
    42,354.03/63,529.97 = 11,189.55/x
  3. Step 3: Cross multiply
    42,354.03x = 63,529.97 × 11,189.55
  4. Step 4: Simplify right side
    42,354.03x = 710,871,719.87
  5. Step 5: Solve for x
    x = 710,871,719.87/42,354.03
  6. Step 6: Final answer
    x = 16,784.04

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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.