Home / 48,023.12-72,034.68-12,965.52

Finding the Fourth Proportional to 48,023.12, 72,034.68 and 12,965.52

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Solution

The fourth proportional to 48,023.12, 72,034.68 and 12,965.52 is: 19,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,023.12 : 72,034.68 = 12,965.52 : x
  2. Step 2: Convert to fraction form
    48,023.12/72,034.68 = 12,965.52/x
  3. Step 3: Cross multiply
    48,023.12x = 72,034.68 × 12,965.52
  4. Step 4: Simplify right side
    48,023.12x = 933,967,084.23
  5. Step 5: Solve for x
    x = 933,967,084.23/48,023.12
  6. Step 6: Final answer
    x = 19,448.28

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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.