Home / 40,210.48-60,319.86-13,915.18

Finding the Fourth Proportional to 40,210.48, 60,319.86 and 13,915.18

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Solution

The fourth proportional to 40,210.48, 60,319.86 and 13,915.18 is: 20,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.48 : 60,319.86 = 13,915.18 : x
  2. Step 2: Convert to fraction form
    40,210.48/60,319.86 = 13,915.18/x
  3. Step 3: Cross multiply
    40,210.48x = 60,319.86 × 13,915.18
  4. Step 4: Simplify right side
    40,210.48x = 839,361,709.47
  5. Step 5: Solve for x
    x = 839,361,709.47/40,210.48
  6. Step 6: Final answer
    x = 20,874.20

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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.