Home / 40,384.20-60,576.30-20,701.20

Finding the Fourth Proportional to 40,384.20, 60,576.30 and 20,701.20

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Solution

The fourth proportional to 40,384.20, 60,576.30 and 20,701.20 is: 31,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.20 : 60,576.30 = 20,701.20 : x
  2. Step 2: Convert to fraction form
    40,384.20/60,576.30 = 20,701.20/x
  3. Step 3: Cross multiply
    40,384.20x = 60,576.30 × 20,701.20
  4. Step 4: Simplify right side
    40,384.20x = 1,254,002,101.56
  5. Step 5: Solve for x
    x = 1,254,002,101.56/40,384.20
  6. Step 6: Final answer
    x = 31,051.80

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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.