Home / 31,184.43-46,782.80-10,120.55

Finding the Fourth Proportional to 31,184.43, 46,782.80 and 10,120.55

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Solution

The fourth proportional to 31,184.43, 46,782.80 and 10,120.55 is: 15,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.43 : 46,782.80 = 10,120.55 : x
  2. Step 2: Convert to fraction form
    31,184.43/46,782.80 = 10,120.55/x
  3. Step 3: Cross multiply
    31,184.43x = 46,782.80 × 10,120.55
  4. Step 4: Simplify right side
    31,184.43x = 473,467,666.54
  5. Step 5: Solve for x
    x = 473,467,666.54/31,184.43
  6. Step 6: Final answer
    x = 15,182.82

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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.