Home / 48,598.80-67,043.36-28,443.20

Finding the Fourth Proportional to 48,598.80, 67,043.36 and 28,443.20

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Solution

The fourth proportional to 48,598.80, 67,043.36 and 28,443.20 is: 39,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,598.80 : 67,043.36 = 28,443.20 : x
  2. Step 2: Convert to fraction form
    48,598.80/67,043.36 = 28,443.20/x
  3. Step 3: Cross multiply
    48,598.80x = 67,043.36 × 28,443.20
  4. Step 4: Simplify right side
    48,598.80x = 1,906,927,697.15
  5. Step 5: Solve for x
    x = 1,906,927,697.15/48,598.80
  6. Step 6: Final answer
    x = 39,238.16

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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.