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Finding the Fourth Proportional to 37,031.80, 51,948.20 and 37,031.80

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Solution

The fourth proportional to 37,031.80, 51,948.20 and 37,031.80 is: 51,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.80 : 51,948.20 = 37,031.80 : x
  2. Step 2: Convert to fraction form
    37,031.80/51,948.20 = 37,031.80/x
  3. Step 3: Cross multiply
    37,031.80x = 51,948.20 × 37,031.80
  4. Step 4: Simplify right side
    37,031.80x = 1,923,735,352.76
  5. Step 5: Solve for x
    x = 1,923,735,352.76/37,031.80
  6. Step 6: Final answer
    x = 51,948.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.