Home / 40,845.52-61,158.12-28,339.12

Finding the Fourth Proportional to 40,845.52, 61,158.12 and 28,339.12

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Solution

The fourth proportional to 40,845.52, 61,158.12 and 28,339.12 is: 42,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,845.52 : 61,158.12 = 28,339.12 : x
  2. Step 2: Convert to fraction form
    40,845.52/61,158.12 = 28,339.12/x
  3. Step 3: Cross multiply
    40,845.52x = 61,158.12 × 28,339.12
  4. Step 4: Simplify right side
    40,845.52x = 1,733,167,301.65
  5. Step 5: Solve for x
    x = 1,733,167,301.65/40,845.52
  6. Step 6: Final answer
    x = 42,432.25

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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.