Home / 69,585.40-96,032.60-39,370.72

Finding the Fourth Proportional to 69,585.40, 96,032.60 and 39,370.72

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Solution

The fourth proportional to 69,585.40, 96,032.60 and 39,370.72 is: 54,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,585.40 : 96,032.60 = 39,370.72 : x
  2. Step 2: Convert to fraction form
    69,585.40/96,032.60 = 39,370.72/x
  3. Step 3: Cross multiply
    69,585.40x = 96,032.60 × 39,370.72
  4. Step 4: Simplify right side
    69,585.40x = 3,780,872,605.47
  5. Step 5: Solve for x
    x = 3,780,872,605.47/69,585.40
  6. Step 6: Final answer
    x = 54,334.28

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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.