Home / 38,870.30-58,304.82-13,903.58

Finding the Fourth Proportional to 38,870.30, 58,304.82 and 13,903.58

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Solution

The fourth proportional to 38,870.30, 58,304.82 and 13,903.58 is: 20,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.30 : 58,304.82 = 13,903.58 : x
  2. Step 2: Convert to fraction form
    38,870.30/58,304.82 = 13,903.58/x
  3. Step 3: Cross multiply
    38,870.30x = 58,304.82 × 13,903.58
  4. Step 4: Simplify right side
    38,870.30x = 810,645,729.26
  5. Step 5: Solve for x
    x = 810,645,729.26/38,870.30
  6. Step 6: Final answer
    x = 20,855.14

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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.