Home / 48,442.90-72,668.57-13,382.59

Finding the Fourth Proportional to 48,442.90, 72,668.57 and 13,382.59

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Solution

The fourth proportional to 48,442.90, 72,668.57 and 13,382.59 is: 20,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,442.90 : 72,668.57 = 13,382.59 : x
  2. Step 2: Convert to fraction form
    48,442.90/72,668.57 = 13,382.59/x
  3. Step 3: Cross multiply
    48,442.90x = 72,668.57 × 13,382.59
  4. Step 4: Simplify right side
    48,442.90x = 972,493,678.20
  5. Step 5: Solve for x
    x = 972,493,678.20/48,442.90
  6. Step 6: Final answer
    x = 20,075.05

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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.