Home / 52,436.28-78,653.92-21,264.12

Finding the Fourth Proportional to 52,436.28, 78,653.92 and 21,264.12

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Solution

The fourth proportional to 52,436.28, 78,653.92 and 21,264.12 is: 31,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,436.28 : 78,653.92 = 21,264.12 : x
  2. Step 2: Convert to fraction form
    52,436.28/78,653.92 = 21,264.12/x
  3. Step 3: Cross multiply
    52,436.28x = 78,653.92 × 21,264.12
  4. Step 4: Simplify right side
    52,436.28x = 1,672,506,393.35
  5. Step 5: Solve for x
    x = 1,672,506,393.35/52,436.28
  6. Step 6: Final answer
    x = 31,895.98

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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.