Home / 42,436.44-58,538.70-39,432.96

Finding the Fourth Proportional to 42,436.44, 58,538.70 and 39,432.96

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Solution

The fourth proportional to 42,436.44, 58,538.70 and 39,432.96 is: 54,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,436.44 : 58,538.70 = 39,432.96 : x
  2. Step 2: Convert to fraction form
    42,436.44/58,538.70 = 39,432.96/x
  3. Step 3: Cross multiply
    42,436.44x = 58,538.70 × 39,432.96
  4. Step 4: Simplify right side
    42,436.44x = 2,308,354,215.55
  5. Step 5: Solve for x
    x = 2,308,354,215.55/42,436.44
  6. Step 6: Final answer
    x = 54,395.57

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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.