Home / 35,264.55-48,661.98-20,154.21

Finding the Fourth Proportional to 35,264.55, 48,661.98 and 20,154.21

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Solution

The fourth proportional to 35,264.55, 48,661.98 and 20,154.21 is: 27,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,264.55 : 48,661.98 = 20,154.21 : x
  2. Step 2: Convert to fraction form
    35,264.55/48,661.98 = 20,154.21/x
  3. Step 3: Cross multiply
    35,264.55x = 48,661.98 × 20,154.21
  4. Step 4: Simplify right side
    35,264.55x = 980,743,763.94
  5. Step 5: Solve for x
    x = 980,743,763.94/35,264.55
  6. Step 6: Final answer
    x = 27,811.04

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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.