Home / 48,144.85-66,437.90-28,001.77

Finding the Fourth Proportional to 48,144.85, 66,437.90 and 28,001.77

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Solution

The fourth proportional to 48,144.85, 66,437.90 and 28,001.77 is: 38,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144.85 : 66,437.90 = 28,001.77 : x
  2. Step 2: Convert to fraction form
    48,144.85/66,437.90 = 28,001.77/x
  3. Step 3: Cross multiply
    48,144.85x = 66,437.90 × 28,001.77
  4. Step 4: Simplify right side
    48,144.85x = 1,860,378,655.07
  5. Step 5: Solve for x
    x = 1,860,378,655.07/48,144.85
  6. Step 6: Final answer
    x = 38,641.28

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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.