Home / 39,119.39-58,690.02-12,842.59

Finding the Fourth Proportional to 39,119.39, 58,690.02 and 12,842.59

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Solution

The fourth proportional to 39,119.39, 58,690.02 and 12,842.59 is: 19,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.39 : 58,690.02 = 12,842.59 : x
  2. Step 2: Convert to fraction form
    39,119.39/58,690.02 = 12,842.59/x
  3. Step 3: Cross multiply
    39,119.39x = 58,690.02 × 12,842.59
  4. Step 4: Simplify right side
    39,119.39x = 753,731,863.95
  5. Step 5: Solve for x
    x = 753,731,863.95/39,119.39
  6. Step 6: Final answer
    x = 19,267.47

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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.