Home / 48,225.57-72,338.37-20,130.30

Finding the Fourth Proportional to 48,225.57, 72,338.37 and 20,130.30

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Solution

The fourth proportional to 48,225.57, 72,338.37 and 20,130.30 is: 30,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,225.57 : 72,338.37 = 20,130.30 : x
  2. Step 2: Convert to fraction form
    48,225.57/72,338.37 = 20,130.30/x
  3. Step 3: Cross multiply
    48,225.57x = 72,338.37 × 20,130.30
  4. Step 4: Simplify right side
    48,225.57x = 1,456,192,988.96
  5. Step 5: Solve for x
    x = 1,456,192,988.96/48,225.57
  6. Step 6: Final answer
    x = 30,195.45

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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.