Home / 39,301.81-58,932.68-19,312.63

Finding the Fourth Proportional to 39,301.81, 58,932.68 and 19,312.63

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Solution

The fourth proportional to 39,301.81, 58,932.68 and 19,312.63 is: 28,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.81 : 58,932.68 = 19,312.63 : x
  2. Step 2: Convert to fraction form
    39,301.81/58,932.68 = 19,312.63/x
  3. Step 3: Cross multiply
    39,301.81x = 58,932.68 × 19,312.63
  4. Step 4: Simplify right side
    39,301.81x = 1,138,145,043.75
  5. Step 5: Solve for x
    x = 1,138,145,043.75/39,301.81
  6. Step 6: Final answer
    x = 28,959.10

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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.