Home / 52,272.06-78,214.33-31,223.55

Finding the Fourth Proportional to 52,272.06, 78,214.33 and 31,223.55

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Solution

The fourth proportional to 52,272.06, 78,214.33 and 31,223.55 is: 46,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,272.06 : 78,214.33 = 31,223.55 : x
  2. Step 2: Convert to fraction form
    52,272.06/78,214.33 = 31,223.55/x
  3. Step 3: Cross multiply
    52,272.06x = 78,214.33 × 31,223.55
  4. Step 4: Simplify right side
    52,272.06x = 2,442,128,965.41
  5. Step 5: Solve for x
    x = 2,442,128,965.41/52,272.06
  6. Step 6: Final answer
    x = 46,719.59

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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.