Home / 52,712.01-72,743.39-28,839.08

Finding the Fourth Proportional to 52,712.01, 72,743.39 and 28,839.08

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Solution

The fourth proportional to 52,712.01, 72,743.39 and 28,839.08 is: 39,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.01 : 72,743.39 = 28,839.08 : x
  2. Step 2: Convert to fraction form
    52,712.01/72,743.39 = 28,839.08/x
  3. Step 3: Cross multiply
    52,712.01x = 72,743.39 × 28,839.08
  4. Step 4: Simplify right side
    52,712.01x = 2,097,852,316.70
  5. Step 5: Solve for x
    x = 2,097,852,316.70/52,712.01
  6. Step 6: Final answer
    x = 39,798.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.