Home / 56,436.42-84,580.35-31,488.21

Finding the Fourth Proportional to 56,436.42, 84,580.35 and 31,488.21

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Solution

The fourth proportional to 56,436.42, 84,580.35 and 31,488.21 is: 47,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,436.42 : 84,580.35 = 31,488.21 : x
  2. Step 2: Convert to fraction form
    56,436.42/84,580.35 = 31,488.21/x
  3. Step 3: Cross multiply
    56,436.42x = 84,580.35 × 31,488.21
  4. Step 4: Simplify right side
    56,436.42x = 2,663,283,822.67
  5. Step 5: Solve for x
    x = 2,663,283,822.67/56,436.42
  6. Step 6: Final answer
    x = 47,190.87

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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.