Home / 39,931.50-55,105.73-22,026.99

Finding the Fourth Proportional to 39,931.50, 55,105.73 and 22,026.99

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Solution

The fourth proportional to 39,931.50, 55,105.73 and 22,026.99 is: 30,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.50 : 55,105.73 = 22,026.99 : x
  2. Step 2: Convert to fraction form
    39,931.50/55,105.73 = 22,026.99/x
  3. Step 3: Cross multiply
    39,931.50x = 55,105.73 × 22,026.99
  4. Step 4: Simplify right side
    39,931.50x = 1,213,813,363.65
  5. Step 5: Solve for x
    x = 1,213,813,363.65/39,931.50
  6. Step 6: Final answer
    x = 30,397.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.