Home / 40,258.90-60,405.43-21,534.06

Finding the Fourth Proportional to 40,258.90, 60,405.43 and 21,534.06

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Solution

The fourth proportional to 40,258.90, 60,405.43 and 21,534.06 is: 32,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,258.90 : 60,405.43 = 21,534.06 : x
  2. Step 2: Convert to fraction form
    40,258.90/60,405.43 = 21,534.06/x
  3. Step 3: Cross multiply
    40,258.90x = 60,405.43 × 21,534.06
  4. Step 4: Simplify right side
    40,258.90x = 1,300,774,153.95
  5. Step 5: Solve for x
    x = 1,300,774,153.95/40,258.90
  6. Step 6: Final answer
    x = 32,310.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.