Home / 39,515.04-54,530.28-22,748.04

Finding the Fourth Proportional to 39,515.04, 54,530.28 and 22,748.04

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Solution

The fourth proportional to 39,515.04, 54,530.28 and 22,748.04 is: 31,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.04 : 54,530.28 = 22,748.04 : x
  2. Step 2: Convert to fraction form
    39,515.04/54,530.28 = 22,748.04/x
  3. Step 3: Cross multiply
    39,515.04x = 54,530.28 × 22,748.04
  4. Step 4: Simplify right side
    39,515.04x = 1,240,456,990.65
  5. Step 5: Solve for x
    x = 1,240,456,990.65/39,515.04
  6. Step 6: Final answer
    x = 31,392.02

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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.