Home / 31,822.20-47,733.48-12,106.35

Finding the Fourth Proportional to 31,822.20, 47,733.48 and 12,106.35

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Solution

The fourth proportional to 31,822.20, 47,733.48 and 12,106.35 is: 18,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.20 : 47,733.48 = 12,106.35 : x
  2. Step 2: Convert to fraction form
    31,822.20/47,733.48 = 12,106.35/x
  3. Step 3: Cross multiply
    31,822.20x = 47,733.48 × 12,106.35
  4. Step 4: Simplify right side
    31,822.20x = 577,878,215.60
  5. Step 5: Solve for x
    x = 577,878,215.60/31,822.20
  6. Step 6: Final answer
    x = 18,159.59

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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.