Home / 39,397.02-54,597.89-38,649.39

Finding the Fourth Proportional to 39,397.02, 54,597.89 and 38,649.39

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Solution

The fourth proportional to 39,397.02, 54,597.89 and 38,649.39 is: 53,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.02 : 54,597.89 = 38,649.39 : x
  2. Step 2: Convert to fraction form
    39,397.02/54,597.89 = 38,649.39/x
  3. Step 3: Cross multiply
    39,397.02x = 54,597.89 × 38,649.39
  4. Step 4: Simplify right side
    39,397.02x = 2,110,174,910.67
  5. Step 5: Solve for x
    x = 2,110,174,910.67/39,397.02
  6. Step 6: Final answer
    x = 53,561.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.