Home / 59,948.80-89,923.20-18,390.40

Finding the Fourth Proportional to 59,948.80, 89,923.20 and 18,390.40

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Solution

The fourth proportional to 59,948.80, 89,923.20 and 18,390.40 is: 27,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,948.80 : 89,923.20 = 18,390.40 : x
  2. Step 2: Convert to fraction form
    59,948.80/89,923.20 = 18,390.40/x
  3. Step 3: Cross multiply
    59,948.80x = 89,923.20 × 18,390.40
  4. Step 4: Simplify right side
    59,948.80x = 1,653,723,617.28
  5. Step 5: Solve for x
    x = 1,653,723,617.28/59,948.80
  6. Step 6: Final answer
    x = 27,585.60

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Similar ratio
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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.