Home / 39,920.04-59,891.40-20,194.92

Finding the Fourth Proportional to 39,920.04, 59,891.40 and 20,194.92

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Solution

The fourth proportional to 39,920.04, 59,891.40 and 20,194.92 is: 30,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.04 : 59,891.40 = 20,194.92 : x
  2. Step 2: Convert to fraction form
    39,920.04/59,891.40 = 20,194.92/x
  3. Step 3: Cross multiply
    39,920.04x = 59,891.40 × 20,194.92
  4. Step 4: Simplify right side
    39,920.04x = 1,209,502,031.69
  5. Step 5: Solve for x
    x = 1,209,502,031.69/39,920.04
  6. Step 6: Final answer
    x = 30,298.12

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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.