Home / 36,248.40-54,329.40-18,709.20

Finding the Fourth Proportional to 36,248.40, 54,329.40 and 18,709.20

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Solution

The fourth proportional to 36,248.40, 54,329.40 and 18,709.20 is: 28,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,248.40 : 54,329.40 = 18,709.20 : x
  2. Step 2: Convert to fraction form
    36,248.40/54,329.40 = 18,709.20/x
  3. Step 3: Cross multiply
    36,248.40x = 54,329.40 × 18,709.20
  4. Step 4: Simplify right side
    36,248.40x = 1,016,459,610.48
  5. Step 5: Solve for x
    x = 1,016,459,610.48/36,248.40
  6. Step 6: Final answer
    x = 28,041.50

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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.