Home / 31,548.61-47,336.81-14,920.57

Finding the Fourth Proportional to 31,548.61, 47,336.81 and 14,920.57

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Solution

The fourth proportional to 31,548.61, 47,336.81 and 14,920.57 is: 22,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.61 : 47,336.81 = 14,920.57 : x
  2. Step 2: Convert to fraction form
    31,548.61/47,336.81 = 14,920.57/x
  3. Step 3: Cross multiply
    31,548.61x = 47,336.81 × 14,920.57
  4. Step 4: Simplify right side
    31,548.61x = 706,292,187.18
  5. Step 5: Solve for x
    x = 706,292,187.18/31,548.61
  6. Step 6: Final answer
    x = 22,387.43

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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.