Home / 31,184.18-46,782.42-10,120.30

Finding the Fourth Proportional to 31,184.18, 46,782.42 and 10,120.30

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Solution

The fourth proportional to 31,184.18, 46,782.42 and 10,120.30 is: 15,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.18 : 46,782.42 = 10,120.30 : x
  2. Step 2: Convert to fraction form
    31,184.18/46,782.42 = 10,120.30/x
  3. Step 3: Cross multiply
    31,184.18x = 46,782.42 × 10,120.30
  4. Step 4: Simplify right side
    31,184.18x = 473,452,008.17
  5. Step 5: Solve for x
    x = 473,452,008.17/31,184.18
  6. Step 6: Final answer
    x = 15,182.44

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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.