Home / 31,345.99-43,214.75-22,377.90

Finding the Fourth Proportional to 31,345.99, 43,214.75 and 22,377.90

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Solution

The fourth proportional to 31,345.99, 43,214.75 and 22,377.90 is: 30,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.99 : 43,214.75 = 22,377.90 : x
  2. Step 2: Convert to fraction form
    31,345.99/43,214.75 = 22,377.90/x
  3. Step 3: Cross multiply
    31,345.99x = 43,214.75 × 22,377.90
  4. Step 4: Simplify right side
    31,345.99x = 967,055,488.11
  5. Step 5: Solve for x
    x = 967,055,488.11/31,345.99
  6. Step 6: Final answer
    x = 30,851.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.