Home / 52,538.13-72,502.86-28,665.30

Finding the Fourth Proportional to 52,538.13, 72,502.86 and 28,665.30

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Solution

The fourth proportional to 52,538.13, 72,502.86 and 28,665.30 is: 39,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,538.13 : 72,502.86 = 28,665.30 : x
  2. Step 2: Convert to fraction form
    52,538.13/72,502.86 = 28,665.30/x
  3. Step 3: Cross multiply
    52,538.13x = 72,502.86 × 28,665.30
  4. Step 4: Simplify right side
    52,538.13x = 2,078,316,232.76
  5. Step 5: Solve for x
    x = 2,078,316,232.76/52,538.13
  6. Step 6: Final answer
    x = 39,558.25

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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.