Home / 71,459.16-98,611.08-39,627.36

Finding the Fourth Proportional to 71,459.16, 98,611.08 and 39,627.36

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Solution

The fourth proportional to 71,459.16, 98,611.08 and 39,627.36 is: 54,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,459.16 : 98,611.08 = 39,627.36 : x
  2. Step 2: Convert to fraction form
    71,459.16/98,611.08 = 39,627.36/x
  3. Step 3: Cross multiply
    71,459.16x = 98,611.08 × 39,627.36
  4. Step 4: Simplify right side
    71,459.16x = 3,907,696,767.15
  5. Step 5: Solve for x
    x = 3,907,696,767.15/71,459.16
  6. Step 6: Final answer
    x = 54,684.34

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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.