Home / 31,209.29-46,818.93-10,147.70

Finding the Fourth Proportional to 31,209.29, 46,818.93 and 10,147.70

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Solution

The fourth proportional to 31,209.29, 46,818.93 and 10,147.70 is: 15,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.29 : 46,818.93 = 10,147.70 : x
  2. Step 2: Convert to fraction form
    31,209.29/46,818.93 = 10,147.70/x
  3. Step 3: Cross multiply
    31,209.29x = 46,818.93 × 10,147.70
  4. Step 4: Simplify right side
    31,209.29x = 475,104,455.96
  5. Step 5: Solve for x
    x = 475,104,455.96/31,209.29
  6. Step 6: Final answer
    x = 15,223.17

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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.