Home / 52,357.02-78,535.17-21,191.82

Finding the Fourth Proportional to 52,357.02, 78,535.17 and 21,191.82

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Solution

The fourth proportional to 52,357.02, 78,535.17 and 21,191.82 is: 31,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.02 : 78,535.17 = 21,191.82 : x
  2. Step 2: Convert to fraction form
    52,357.02/78,535.17 = 21,191.82/x
  3. Step 3: Cross multiply
    52,357.02x = 78,535.17 × 21,191.82
  4. Step 4: Simplify right side
    52,357.02x = 1,664,303,186.31
  5. Step 5: Solve for x
    x = 1,664,303,186.31/52,357.02
  6. Step 6: Final answer
    x = 31,787.58

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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.