Home / 38,017.30-52,461.75-21,020.56

Finding the Fourth Proportional to 38,017.30, 52,461.75 and 21,020.56

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Solution

The fourth proportional to 38,017.30, 52,461.75 and 21,020.56 is: 29,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.30 : 52,461.75 = 21,020.56 : x
  2. Step 2: Convert to fraction form
    38,017.30/52,461.75 = 21,020.56/x
  3. Step 3: Cross multiply
    38,017.30x = 52,461.75 × 21,020.56
  4. Step 4: Simplify right side
    38,017.30x = 1,102,775,363.58
  5. Step 5: Solve for x
    x = 1,102,775,363.58/38,017.30
  6. Step 6: Final answer
    x = 29,007.20

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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.