Home / 38,320.65-52,881.66-21,324.24

Finding the Fourth Proportional to 38,320.65, 52,881.66 and 21,324.24

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Solution

The fourth proportional to 38,320.65, 52,881.66 and 21,324.24 is: 29,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.65 : 52,881.66 = 21,324.24 : x
  2. Step 2: Convert to fraction form
    38,320.65/52,881.66 = 21,324.24/x
  3. Step 3: Cross multiply
    38,320.65x = 52,881.66 × 21,324.24
  4. Step 4: Simplify right side
    38,320.65x = 1,127,661,209.44
  5. Step 5: Solve for x
    x = 1,127,661,209.44/38,320.65
  6. Step 6: Final answer
    x = 29,426.99

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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.