Home / 70,032.43-96,642.57-39,821.05

Finding the Fourth Proportional to 70,032.43, 96,642.57 and 39,821.05

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Solution

The fourth proportional to 70,032.43, 96,642.57 and 39,821.05 is: 54,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,032.43 : 96,642.57 = 39,821.05 : x
  2. Step 2: Convert to fraction form
    70,032.43/96,642.57 = 39,821.05/x
  3. Step 3: Cross multiply
    70,032.43x = 96,642.57 × 39,821.05
  4. Step 4: Simplify right side
    70,032.43x = 3,848,408,612.10
  5. Step 5: Solve for x
    x = 3,848,408,612.10/70,032.43
  6. Step 6: Final answer
    x = 54,951.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.