Home / 48,573.61-67,031.72-28,159.65

Finding the Fourth Proportional to 48,573.61, 67,031.72 and 28,159.65

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Solution

The fourth proportional to 48,573.61, 67,031.72 and 28,159.65 is: 38,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,573.61 : 67,031.72 = 28,159.65 : x
  2. Step 2: Convert to fraction form
    48,573.61/67,031.72 = 28,159.65/x
  3. Step 3: Cross multiply
    48,573.61x = 67,031.72 × 28,159.65
  4. Step 4: Simplify right side
    48,573.61x = 1,887,589,738.90
  5. Step 5: Solve for x
    x = 1,887,589,738.90/48,573.61
  6. Step 6: Final answer
    x = 38,860.40

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Double scale
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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.