Home / 31,752.60-47,621.88-12,030.72

Finding the Fourth Proportional to 31,752.60, 47,621.88 and 12,030.72

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Solution

The fourth proportional to 31,752.60, 47,621.88 and 12,030.72 is: 18,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.60 : 47,621.88 = 12,030.72 : x
  2. Step 2: Convert to fraction form
    31,752.60/47,621.88 = 12,030.72/x
  3. Step 3: Cross multiply
    31,752.60x = 47,621.88 × 12,030.72
  4. Step 4: Simplify right side
    31,752.60x = 572,925,504.15
  5. Step 5: Solve for x
    x = 572,925,504.15/31,752.60
  6. Step 6: Final answer
    x = 18,043.42

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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.