Home / 31,124.25-46,686.78-10,347.75

Finding the Fourth Proportional to 31,124.25, 46,686.78 and 10,347.75

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Solution

The fourth proportional to 31,124.25, 46,686.78 and 10,347.75 is: 15,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.25 : 46,686.78 = 10,347.75 : x
  2. Step 2: Convert to fraction form
    31,124.25/46,686.78 = 10,347.75/x
  3. Step 3: Cross multiply
    31,124.25x = 46,686.78 × 10,347.75
  4. Step 4: Simplify right side
    31,124.25x = 483,103,127.75
  5. Step 5: Solve for x
    x = 483,103,127.75/31,124.25
  6. Step 6: Final answer
    x = 15,521.76

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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.