Home / 83,501.85-125,251.70-20,322.07

Finding the Fourth Proportional to 83,501.85, 125,251.70 and 20,322.07

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Solution

The fourth proportional to 83,501.85, 125,251.70 and 20,322.07 is: 30,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.85 : 125,251.70 = 20,322.07 : x
  2. Step 2: Convert to fraction form
    83,501.85/125,251.70 = 20,322.07/x
  3. Step 3: Cross multiply
    83,501.85x = 125,251.70 × 20,322.07
  4. Step 4: Simplify right side
    83,501.85x = 2,545,373,815.02
  5. Step 5: Solve for x
    x = 2,545,373,815.02/83,501.85
  6. Step 6: Final answer
    x = 30,482.84

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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.