Home / 71,007.32-97,987.56-39,176.15

Finding the Fourth Proportional to 71,007.32, 97,987.56 and 39,176.15

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Solution

The fourth proportional to 71,007.32, 97,987.56 and 39,176.15 is: 54,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,007.32 : 97,987.56 = 39,176.15 : x
  2. Step 2: Convert to fraction form
    71,007.32/97,987.56 = 39,176.15/x
  3. Step 3: Cross multiply
    71,007.32x = 97,987.56 × 39,176.15
  4. Step 4: Simplify right side
    71,007.32x = 3,838,774,858.76
  5. Step 5: Solve for x
    x = 3,838,774,858.76/71,007.32
  6. Step 6: Final answer
    x = 54,061.68

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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.