Home / 38,382.01-52,966.37-21,386.18

Finding the Fourth Proportional to 38,382.01, 52,966.37 and 21,386.18

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Solution

The fourth proportional to 38,382.01, 52,966.37 and 21,386.18 is: 29,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.01 : 52,966.37 = 21,386.18 : x
  2. Step 2: Convert to fraction form
    38,382.01/52,966.37 = 21,386.18/x
  3. Step 3: Cross multiply
    38,382.01x = 52,966.37 × 21,386.18
  4. Step 4: Simplify right side
    38,382.01x = 1,132,748,508.65
  5. Step 5: Solve for x
    x = 1,132,748,508.65/38,382.01
  6. Step 6: Final answer
    x = 29,512.49

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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.