Home / 48,423.32-72,639.15-13,362.97

Finding the Fourth Proportional to 48,423.32, 72,639.15 and 13,362.97

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Solution

The fourth proportional to 48,423.32, 72,639.15 and 13,362.97 is: 20,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,423.32 : 72,639.15 = 13,362.97 : x
  2. Step 2: Convert to fraction form
    48,423.32/72,639.15 = 13,362.97/x
  3. Step 3: Cross multiply
    48,423.32x = 72,639.15 × 13,362.97
  4. Step 4: Simplify right side
    48,423.32x = 970,674,419.08
  5. Step 5: Solve for x
    x = 970,674,419.08/48,423.32
  6. Step 6: Final answer
    x = 20,045.60

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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.