Home / 47,274.20-70,911.30-42,900.20

Finding the Fourth Proportional to 47,274.20, 70,911.30 and 42,900.20

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Solution

The fourth proportional to 47,274.20, 70,911.30 and 42,900.20 is: 64,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.20 : 70,911.30 = 42,900.20 : x
  2. Step 2: Convert to fraction form
    47,274.20/70,911.30 = 42,900.20/x
  3. Step 3: Cross multiply
    47,274.20x = 70,911.30 × 42,900.20
  4. Step 4: Simplify right side
    47,274.20x = 3,042,108,952.26
  5. Step 5: Solve for x
    x = 3,042,108,952.26/47,274.20
  6. Step 6: Final answer
    x = 64,350.30

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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.