Home / 52,702.12-79,024-21,559.24

Finding the Fourth Proportional to 52,702.12, 79,024 and 21,559.24

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Solution

The fourth proportional to 52,702.12, 79,024 and 21,559.24 is: 32,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702.12 : 79,024 = 21,559.24 : x
  2. Step 2: Convert to fraction form
    52,702.12/79,024 = 21,559.24/x
  3. Step 3: Cross multiply
    52,702.12x = 79,024 × 21,559.24
  4. Step 4: Simplify right side
    52,702.12x = 1,703,697,381.76
  5. Step 5: Solve for x
    x = 1,703,697,381.76/52,702.12
  6. Step 6: Final answer
    x = 32,326.92

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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.