Home / 34,687.95-47,873.61-21,261.12

Finding the Fourth Proportional to 34,687.95, 47,873.61 and 21,261.12

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Solution

The fourth proportional to 34,687.95, 47,873.61 and 21,261.12 is: 29,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.95 : 47,873.61 = 21,261.12 : x
  2. Step 2: Convert to fraction form
    34,687.95/47,873.61 = 21,261.12/x
  3. Step 3: Cross multiply
    34,687.95x = 47,873.61 × 21,261.12
  4. Step 4: Simplify right side
    34,687.95x = 1,017,846,567.04
  5. Step 5: Solve for x
    x = 1,017,846,567.04/34,687.95
  6. Step 6: Final answer
    x = 29,342.94

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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.