Home / 39,490.95-59,239.53-13,195.80

Finding the Fourth Proportional to 39,490.95, 59,239.53 and 13,195.80

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Solution

The fourth proportional to 39,490.95, 59,239.53 and 13,195.80 is: 19,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.95 : 59,239.53 = 13,195.80 : x
  2. Step 2: Convert to fraction form
    39,490.95/59,239.53 = 13,195.80/x
  3. Step 3: Cross multiply
    39,490.95x = 59,239.53 × 13,195.80
  4. Step 4: Simplify right side
    39,490.95x = 781,712,989.97
  5. Step 5: Solve for x
    x = 781,712,989.97/39,490.95
  6. Step 6: Final answer
    x = 19,794.74

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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.