Home / 71,627.12-98,848.16-39,363.08

Finding the Fourth Proportional to 71,627.12, 98,848.16 and 39,363.08

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Solution

The fourth proportional to 71,627.12, 98,848.16 and 39,363.08 is: 54,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,627.12 : 98,848.16 = 39,363.08 : x
  2. Step 2: Convert to fraction form
    71,627.12/98,848.16 = 39,363.08/x
  3. Step 3: Cross multiply
    71,627.12x = 98,848.16 × 39,363.08
  4. Step 4: Simplify right side
    71,627.12x = 3,890,968,029.93
  5. Step 5: Solve for x
    x = 3,890,968,029.93/71,627.12
  6. Step 6: Final answer
    x = 54,322.55

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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.