Home / 53,381.36-80,123.88-38,684.72

Finding the Fourth Proportional to 53,381.36, 80,123.88 and 38,684.72

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Solution

The fourth proportional to 53,381.36, 80,123.88 and 38,684.72 is: 58,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.36 : 80,123.88 = 38,684.72 : x
  2. Step 2: Convert to fraction form
    53,381.36/80,123.88 = 38,684.72/x
  3. Step 3: Cross multiply
    53,381.36x = 80,123.88 × 38,684.72
  4. Step 4: Simplify right side
    53,381.36x = 3,099,569,863.11
  5. Step 5: Solve for x
    x = 3,099,569,863.11/53,381.36
  6. Step 6: Final answer
    x = 58,064.65

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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.