Home / 30,060.18-45,089.81-10,338.90

Finding the Fourth Proportional to 30,060.18, 45,089.81 and 10,338.90

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Solution

The fourth proportional to 30,060.18, 45,089.81 and 10,338.90 is: 15,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.18 : 45,089.81 = 10,338.90 : x
  2. Step 2: Convert to fraction form
    30,060.18/45,089.81 = 10,338.90/x
  3. Step 3: Cross multiply
    30,060.18x = 45,089.81 × 10,338.90
  4. Step 4: Simplify right side
    30,060.18x = 466,179,173.39
  5. Step 5: Solve for x
    x = 466,179,173.39/30,060.18
  6. Step 6: Final answer
    x = 15,508.20

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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.