Home / 71,448.32-98,600.04-39,181.02

Finding the Fourth Proportional to 71,448.32, 98,600.04 and 39,181.02

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Solution

The fourth proportional to 71,448.32, 98,600.04 and 39,181.02 is: 54,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.32 : 98,600.04 = 39,181.02 : x
  2. Step 2: Convert to fraction form
    71,448.32/98,600.04 = 39,181.02/x
  3. Step 3: Cross multiply
    71,448.32x = 98,600.04 × 39,181.02
  4. Step 4: Simplify right side
    71,448.32x = 3,863,249,769.49
  5. Step 5: Solve for x
    x = 3,863,249,769.49/71,448.32
  6. Step 6: Final answer
    x = 54,070.55

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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.