Home / 51,225.20-76,886.40-31,542.20

Finding the Fourth Proportional to 51,225.20, 76,886.40 and 31,542.20

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Solution

The fourth proportional to 51,225.20, 76,886.40 and 31,542.20 is: 47,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.20 : 76,886.40 = 31,542.20 : x
  2. Step 2: Convert to fraction form
    51,225.20/76,886.40 = 31,542.20/x
  3. Step 3: Cross multiply
    51,225.20x = 76,886.40 × 31,542.20
  4. Step 4: Simplify right side
    51,225.20x = 2,425,166,206.08
  5. Step 5: Solve for x
    x = 2,425,166,206.08/51,225.20
  6. Step 6: Final answer
    x = 47,343.23

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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.