Home / 57,531.09-79,390.74-32,038.50

Finding the Fourth Proportional to 57,531.09, 79,390.74 and 32,038.50

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Solution

The fourth proportional to 57,531.09, 79,390.74 and 32,038.50 is: 44,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,531.09 : 79,390.74 = 32,038.50 : x
  2. Step 2: Convert to fraction form
    57,531.09/79,390.74 = 32,038.50/x
  3. Step 3: Cross multiply
    57,531.09x = 79,390.74 × 32,038.50
  4. Step 4: Simplify right side
    57,531.09x = 2,543,560,223.49
  5. Step 5: Solve for x
    x = 2,543,560,223.49/57,531.09
  6. Step 6: Final answer
    x = 44,211.92

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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.