Home / 31,127.08-46,698.78-10,350.76

Finding the Fourth Proportional to 31,127.08, 46,698.78 and 10,350.76

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Solution

The fourth proportional to 31,127.08, 46,698.78 and 10,350.76 is: 15,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.08 : 46,698.78 = 10,350.76 : x
  2. Step 2: Convert to fraction form
    31,127.08/46,698.78 = 10,350.76/x
  3. Step 3: Cross multiply
    31,127.08x = 46,698.78 × 10,350.76
  4. Step 4: Simplify right side
    31,127.08x = 483,367,864.07
  5. Step 5: Solve for x
    x = 483,367,864.07/31,127.08
  6. Step 6: Final answer
    x = 15,528.85

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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.