Home / 69,981.40-96,574.38-38,150.32

Finding the Fourth Proportional to 69,981.40, 96,574.38 and 38,150.32

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Solution

The fourth proportional to 69,981.40, 96,574.38 and 38,150.32 is: 52,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.40 : 96,574.38 = 38,150.32 : x
  2. Step 2: Convert to fraction form
    69,981.40/96,574.38 = 38,150.32/x
  3. Step 3: Cross multiply
    69,981.40x = 96,574.38 × 38,150.32
  4. Step 4: Simplify right side
    69,981.40x = 3,684,343,500.80
  5. Step 5: Solve for x
    x = 3,684,343,500.80/69,981.40
  6. Step 6: Final answer
    x = 52,647.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.