Home / 72,008.36-108,013.18-22,088.68

Finding the Fourth Proportional to 72,008.36, 108,013.18 and 22,088.68

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Solution

The fourth proportional to 72,008.36, 108,013.18 and 22,088.68 is: 33,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,008.36 : 108,013.18 = 22,088.68 : x
  2. Step 2: Convert to fraction form
    72,008.36/108,013.18 = 22,088.68/x
  3. Step 3: Cross multiply
    72,008.36x = 108,013.18 × 22,088.68
  4. Step 4: Simplify right side
    72,008.36x = 2,385,868,568.80
  5. Step 5: Solve for x
    x = 2,385,868,568.80/72,008.36
  6. Step 6: Final answer
    x = 33,133.22

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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.