Home / 38,382.03-52,966.35-21,386.25

Finding the Fourth Proportional to 38,382.03, 52,966.35 and 21,386.25

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Solution

The fourth proportional to 38,382.03, 52,966.35 and 21,386.25 is: 29,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.03 : 52,966.35 = 21,386.25 : x
  2. Step 2: Convert to fraction form
    38,382.03/52,966.35 = 21,386.25/x
  3. Step 3: Cross multiply
    38,382.03x = 52,966.35 × 21,386.25
  4. Step 4: Simplify right side
    38,382.03x = 1,132,751,602.69
  5. Step 5: Solve for x
    x = 1,132,751,602.69/38,382.03
  6. Step 6: Final answer
    x = 29,512.55

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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.