Home / 39,143.73-58,641.78-30,335.58

Finding the Fourth Proportional to 39,143.73, 58,641.78 and 30,335.58

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Solution

The fourth proportional to 39,143.73, 58,641.78 and 30,335.58 is: 45,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.73 : 58,641.78 = 30,335.58 : x
  2. Step 2: Convert to fraction form
    39,143.73/58,641.78 = 30,335.58/x
  3. Step 3: Cross multiply
    39,143.73x = 58,641.78 × 30,335.58
  4. Step 4: Simplify right side
    39,143.73x = 1,778,932,408.53
  5. Step 5: Solve for x
    x = 1,778,932,408.53/39,143.73
  6. Step 6: Final answer
    x = 45,446.16

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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.