Home / 42,117.03-63,190.13-28,133.19

Finding the Fourth Proportional to 42,117.03, 63,190.13 and 28,133.19

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Solution

The fourth proportional to 42,117.03, 63,190.13 and 28,133.19 is: 42,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117.03 : 63,190.13 = 28,133.19 : x
  2. Step 2: Convert to fraction form
    42,117.03/63,190.13 = 28,133.19/x
  3. Step 3: Cross multiply
    42,117.03x = 63,190.13 × 28,133.19
  4. Step 4: Simplify right side
    42,117.03x = 1,777,739,792.75
  5. Step 5: Solve for x
    x = 1,777,739,792.75/42,117.03
  6. Step 6: Final answer
    x = 42,209.52

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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.