Home / 38,521.40-57,801.30-21,894.20

Finding the Fourth Proportional to 38,521.40, 57,801.30 and 21,894.20

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Solution

The fourth proportional to 38,521.40, 57,801.30 and 21,894.20 is: 32,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.40 : 57,801.30 = 21,894.20 : x
  2. Step 2: Convert to fraction form
    38,521.40/57,801.30 = 21,894.20/x
  3. Step 3: Cross multiply
    38,521.40x = 57,801.30 × 21,894.20
  4. Step 4: Simplify right side
    38,521.40x = 1,265,513,222.46
  5. Step 5: Solve for x
    x = 1,265,513,222.46/38,521.40
  6. Step 6: Final answer
    x = 32,852.21

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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.