Home / 52,799.97-79,199.90-21,210.04

Finding the Fourth Proportional to 52,799.97, 79,199.90 and 21,210.04

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Solution

The fourth proportional to 52,799.97, 79,199.90 and 21,210.04 is: 31,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,799.97 : 79,199.90 = 21,210.04 : x
  2. Step 2: Convert to fraction form
    52,799.97/79,199.90 = 21,210.04/x
  3. Step 3: Cross multiply
    52,799.97x = 79,199.90 × 21,210.04
  4. Step 4: Simplify right side
    52,799.97x = 1,679,833,119.48
  5. Step 5: Solve for x
    x = 1,679,833,119.48/52,799.97
  6. Step 6: Final answer
    x = 31,815.04

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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.