Home / 38,839.40-58,302.30-21,343.40

Finding the Fourth Proportional to 38,839.40, 58,302.30 and 21,343.40

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Solution

The fourth proportional to 38,839.40, 58,302.30 and 21,343.40 is: 32,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.40 : 58,302.30 = 21,343.40 : x
  2. Step 2: Convert to fraction form
    38,839.40/58,302.30 = 21,343.40/x
  3. Step 3: Cross multiply
    38,839.40x = 58,302.30 × 21,343.40
  4. Step 4: Simplify right side
    38,839.40x = 1,244,369,309.82
  5. Step 5: Solve for x
    x = 1,244,369,309.82/38,839.40
  6. Step 6: Final answer
    x = 32,038.84

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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.