Home / 38,009.15-57,038.33-21,401.62

Finding the Fourth Proportional to 38,009.15, 57,038.33 and 21,401.62

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Solution

The fourth proportional to 38,009.15, 57,038.33 and 21,401.62 is: 32,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.15 : 57,038.33 = 21,401.62 : x
  2. Step 2: Convert to fraction form
    38,009.15/57,038.33 = 21,401.62/x
  3. Step 3: Cross multiply
    38,009.15x = 57,038.33 × 21,401.62
  4. Step 4: Simplify right side
    38,009.15x = 1,220,712,454.62
  5. Step 5: Solve for x
    x = 1,220,712,454.62/38,009.15
  6. Step 6: Final answer
    x = 32,116.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.