Home / 67,637.20-101,455.80-17,717.20

Finding the Fourth Proportional to 67,637.20, 101,455.80 and 17,717.20

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Solution

The fourth proportional to 67,637.20, 101,455.80 and 17,717.20 is: 26,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,637.20 : 101,455.80 = 17,717.20 : x
  2. Step 2: Convert to fraction form
    67,637.20/101,455.80 = 17,717.20/x
  3. Step 3: Cross multiply
    67,637.20x = 101,455.80 × 17,717.20
  4. Step 4: Simplify right side
    67,637.20x = 1,797,512,699.76
  5. Step 5: Solve for x
    x = 1,797,512,699.76/67,637.20
  6. Step 6: Final answer
    x = 26,575.80

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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.