Home / 24,187.80-36,281.70-20,386.20

Finding the Fourth Proportional to 24,187.80, 36,281.70 and 20,386.20

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Solution

The fourth proportional to 24,187.80, 36,281.70 and 20,386.20 is: 30,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,187.80 : 36,281.70 = 20,386.20 : x
  2. Step 2: Convert to fraction form
    24,187.80/36,281.70 = 20,386.20/x
  3. Step 3: Cross multiply
    24,187.80x = 36,281.70 × 20,386.20
  4. Step 4: Simplify right side
    24,187.80x = 739,645,992.54
  5. Step 5: Solve for x
    x = 739,645,992.54/24,187.80
  6. Step 6: Final answer
    x = 30,579.30

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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.