Home / 39,543.66-59,315.47-19,817.60

Finding the Fourth Proportional to 39,543.66, 59,315.47 and 19,817.60

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Solution

The fourth proportional to 39,543.66, 59,315.47 and 19,817.60 is: 29,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,543.66 : 59,315.47 = 19,817.60 : x
  2. Step 2: Convert to fraction form
    39,543.66/59,315.47 = 19,817.60/x
  3. Step 3: Cross multiply
    39,543.66x = 59,315.47 × 19,817.60
  4. Step 4: Simplify right side
    39,543.66x = 1,175,490,023.62
  5. Step 5: Solve for x
    x = 1,175,490,023.62/39,543.66
  6. Step 6: Final answer
    x = 29,726.38

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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.