Home / 31,208.76-46,807.13-13,442.47

Finding the Fourth Proportional to 31,208.76, 46,807.13 and 13,442.47

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Solution

The fourth proportional to 31,208.76, 46,807.13 and 13,442.47 is: 20,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208.76 : 46,807.13 = 13,442.47 : x
  2. Step 2: Convert to fraction form
    31,208.76/46,807.13 = 13,442.47/x
  3. Step 3: Cross multiply
    31,208.76x = 46,807.13 × 13,442.47
  4. Step 4: Simplify right side
    31,208.76x = 629,203,206.78
  5. Step 5: Solve for x
    x = 629,203,206.78/31,208.76
  6. Step 6: Final answer
    x = 20,161.11

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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.