Home / 69,840.20-96,378.86-38,009.02

Finding the Fourth Proportional to 69,840.20, 96,378.86 and 38,009.02

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Solution

The fourth proportional to 69,840.20, 96,378.86 and 38,009.02 is: 52,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,840.20 : 96,378.86 = 38,009.02 : x
  2. Step 2: Convert to fraction form
    69,840.20/96,378.86 = 38,009.02/x
  3. Step 3: Cross multiply
    69,840.20x = 96,378.86 × 38,009.02
  4. Step 4: Simplify right side
    69,840.20x = 3,663,266,017.32
  5. Step 5: Solve for x
    x = 3,663,266,017.32/69,840.20
  6. Step 6: Final answer
    x = 52,452.11

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1.5x scale

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.