Home / 39,913.20-59,869.80-10,330.80

Finding the Fourth Proportional to 39,913.20, 59,869.80 and 10,330.80

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Solution

The fourth proportional to 39,913.20, 59,869.80 and 10,330.80 is: 15,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.20 : 59,869.80 = 10,330.80 : x
  2. Step 2: Convert to fraction form
    39,913.20/59,869.80 = 10,330.80/x
  3. Step 3: Cross multiply
    39,913.20x = 59,869.80 × 10,330.80
  4. Step 4: Simplify right side
    39,913.20x = 618,502,929.84
  5. Step 5: Solve for x
    x = 618,502,929.84/39,913.20
  6. Step 6: Final answer
    x = 15,496.20

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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.