Home / 39,002.40-58,514.40-19,281.60

Finding the Fourth Proportional to 39,002.40, 58,514.40 and 19,281.60

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Solution

The fourth proportional to 39,002.40, 58,514.40 and 19,281.60 is: 28,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.40 : 58,514.40 = 19,281.60 : x
  2. Step 2: Convert to fraction form
    39,002.40/58,514.40 = 19,281.60/x
  3. Step 3: Cross multiply
    39,002.40x = 58,514.40 × 19,281.60
  4. Step 4: Simplify right side
    39,002.40x = 1,128,251,255.04
  5. Step 5: Solve for x
    x = 1,128,251,255.04/39,002.40
  6. Step 6: Final answer
    x = 28,927.74

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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.