Home / 31,426.63-47,138.80-10,366.08

Finding the Fourth Proportional to 31,426.63, 47,138.80 and 10,366.08

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Solution

The fourth proportional to 31,426.63, 47,138.80 and 10,366.08 is: 15,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426.63 : 47,138.80 = 10,366.08 : x
  2. Step 2: Convert to fraction form
    31,426.63/47,138.80 = 10,366.08/x
  3. Step 3: Cross multiply
    31,426.63x = 47,138.80 × 10,366.08
  4. Step 4: Simplify right side
    31,426.63x = 488,644,571.90
  5. Step 5: Solve for x
    x = 488,644,571.90/31,426.63
  6. Step 6: Final answer
    x = 15,548.74

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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.