Home / 45,350.06-67,989.56-28,675.13

Finding the Fourth Proportional to 45,350.06, 67,989.56 and 28,675.13

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Solution

The fourth proportional to 45,350.06, 67,989.56 and 28,675.13 is: 42,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.06 : 67,989.56 = 28,675.13 : x
  2. Step 2: Convert to fraction form
    45,350.06/67,989.56 = 28,675.13/x
  3. Step 3: Cross multiply
    45,350.06x = 67,989.56 × 28,675.13
  4. Step 4: Simplify right side
    45,350.06x = 1,949,608,988.32
  5. Step 5: Solve for x
    x = 1,949,608,988.32/45,350.06
  6. Step 6: Final answer
    x = 42,990.22

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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.