Home / 31,124.40-46,686.60-10,347.90

Finding the Fourth Proportional to 31,124.40, 46,686.60 and 10,347.90

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Solution

The fourth proportional to 31,124.40, 46,686.60 and 10,347.90 is: 15,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.40 : 46,686.60 = 10,347.90 : x
  2. Step 2: Convert to fraction form
    31,124.40/46,686.60 = 10,347.90/x
  3. Step 3: Cross multiply
    31,124.40x = 46,686.60 × 10,347.90
  4. Step 4: Simplify right side
    31,124.40x = 483,108,268.14
  5. Step 5: Solve for x
    x = 483,108,268.14/31,124.40
  6. Step 6: Final answer
    x = 15,521.85

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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.