Home / 39,517.12-59,266.80-11,430.91

Finding the Fourth Proportional to 39,517.12, 59,266.80 and 11,430.91

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Solution

The fourth proportional to 39,517.12, 59,266.80 and 11,430.91 is: 17,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.12 : 59,266.80 = 11,430.91 : x
  2. Step 2: Convert to fraction form
    39,517.12/59,266.80 = 11,430.91/x
  3. Step 3: Cross multiply
    39,517.12x = 59,266.80 × 11,430.91
  4. Step 4: Simplify right side
    39,517.12x = 677,473,456.79
  5. Step 5: Solve for x
    x = 677,473,456.79/39,517.12
  6. Step 6: Final answer
    x = 17,143.80

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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.