Home / 31,851.42-47,797.92-12,130.17

Finding the Fourth Proportional to 31,851.42, 47,797.92 and 12,130.17

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Solution

The fourth proportional to 31,851.42, 47,797.92 and 12,130.17 is: 18,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.42 : 47,797.92 = 12,130.17 : x
  2. Step 2: Convert to fraction form
    31,851.42/47,797.92 = 12,130.17/x
  3. Step 3: Cross multiply
    31,851.42x = 47,797.92 × 12,130.17
  4. Step 4: Simplify right side
    31,851.42x = 579,796,895.25
  5. Step 5: Solve for x
    x = 579,796,895.25/31,851.42
  6. Step 6: Final answer
    x = 18,203.17

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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.