Home / 39,754.80-59,632.20-20,071.80

Finding the Fourth Proportional to 39,754.80, 59,632.20 and 20,071.80

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Solution

The fourth proportional to 39,754.80, 59,632.20 and 20,071.80 is: 30,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,754.80 : 59,632.20 = 20,071.80 : x
  2. Step 2: Convert to fraction form
    39,754.80/59,632.20 = 20,071.80/x
  3. Step 3: Cross multiply
    39,754.80x = 59,632.20 × 20,071.80
  4. Step 4: Simplify right side
    39,754.80x = 1,196,925,591.96
  5. Step 5: Solve for x
    x = 1,196,925,591.96/39,754.80
  6. Step 6: Final answer
    x = 30,107.70

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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.