Home / 48,184.68-66,431.15-39,539.20

Finding the Fourth Proportional to 48,184.68, 66,431.15 and 39,539.20

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Solution

The fourth proportional to 48,184.68, 66,431.15 and 39,539.20 is: 54,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,184.68 : 66,431.15 = 39,539.20 : x
  2. Step 2: Convert to fraction form
    48,184.68/66,431.15 = 39,539.20/x
  3. Step 3: Cross multiply
    48,184.68x = 66,431.15 × 39,539.20
  4. Step 4: Simplify right side
    48,184.68x = 2,626,634,303.90
  5. Step 5: Solve for x
    x = 2,626,634,303.90/48,184.68
  6. Step 6: Final answer
    x = 54,511.81

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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.