Home / 38,630.94-53,312-22,716.87

Finding the Fourth Proportional to 38,630.94, 53,312 and 22,716.87

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Solution

The fourth proportional to 38,630.94, 53,312 and 22,716.87 is: 31,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630.94 : 53,312 = 22,716.87 : x
  2. Step 2: Convert to fraction form
    38,630.94/53,312 = 22,716.87/x
  3. Step 3: Cross multiply
    38,630.94x = 53,312 × 22,716.87
  4. Step 4: Simplify right side
    38,630.94x = 1,211,081,773.44
  5. Step 5: Solve for x
    x = 1,211,081,773.44/38,630.94
  6. Step 6: Final answer
    x = 31,350.05

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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.