Home / 69,977.69-96,569.21-38,146.61

Finding the Fourth Proportional to 69,977.69, 96,569.21 and 38,146.61

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Solution

The fourth proportional to 69,977.69, 96,569.21 and 38,146.61 is: 52,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977.69 : 96,569.21 = 38,146.61 : x
  2. Step 2: Convert to fraction form
    69,977.69/96,569.21 = 38,146.61/x
  3. Step 3: Cross multiply
    69,977.69x = 96,569.21 × 38,146.61
  4. Step 4: Simplify right side
    69,977.69x = 3,683,788,328.67
  5. Step 5: Solve for x
    x = 3,683,788,328.67/69,977.69
  6. Step 6: Final answer
    x = 52,642.33

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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.