Home / 69,942.49-96,520.65-38,111.40

Finding the Fourth Proportional to 69,942.49, 96,520.65 and 38,111.40

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Solution

The fourth proportional to 69,942.49, 96,520.65 and 38,111.40 is: 52,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,942.49 : 96,520.65 = 38,111.40 : x
  2. Step 2: Convert to fraction form
    69,942.49/96,520.65 = 38,111.40/x
  3. Step 3: Cross multiply
    69,942.49x = 96,520.65 × 38,111.40
  4. Step 4: Simplify right side
    69,942.49x = 3,678,537,100.41
  5. Step 5: Solve for x
    x = 3,678,537,100.41/69,942.49
  6. Step 6: Final answer
    x = 52,593.74

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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.