Home / 31,535.91-47,299.30-10,185.77

Finding the Fourth Proportional to 31,535.91, 47,299.30 and 10,185.77

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Solution

The fourth proportional to 31,535.91, 47,299.30 and 10,185.77 is: 15,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.91 : 47,299.30 = 10,185.77 : x
  2. Step 2: Convert to fraction form
    31,535.91/47,299.30 = 10,185.77/x
  3. Step 3: Cross multiply
    31,535.91x = 47,299.30 × 10,185.77
  4. Step 4: Simplify right side
    31,535.91x = 481,779,883.74
  5. Step 5: Solve for x
    x = 481,779,883.74/31,535.91
  6. Step 6: Final answer
    x = 15,277.18

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1.5x scale

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.