Home / 66,897.69-92,283.67-40,032.21

Finding the Fourth Proportional to 66,897.69, 92,283.67 and 40,032.21

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Solution

The fourth proportional to 66,897.69, 92,283.67 and 40,032.21 is: 55,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,897.69 : 92,283.67 = 40,032.21 : x
  2. Step 2: Convert to fraction form
    66,897.69/92,283.67 = 40,032.21/x
  3. Step 3: Cross multiply
    66,897.69x = 92,283.67 × 40,032.21
  4. Step 4: Simplify right side
    66,897.69x = 3,694,319,257.01
  5. Step 5: Solve for x
    x = 3,694,319,257.01/66,897.69
  6. Step 6: Final answer
    x = 55,223.42

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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.