Home / 40,424.28-60,668.20-28,031.51

Finding the Fourth Proportional to 40,424.28, 60,668.20 and 28,031.51

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Solution

The fourth proportional to 40,424.28, 60,668.20 and 28,031.51 is: 42,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424.28 : 60,668.20 = 28,031.51 : x
  2. Step 2: Convert to fraction form
    40,424.28/60,668.20 = 28,031.51/x
  3. Step 3: Cross multiply
    40,424.28x = 60,668.20 × 28,031.51
  4. Step 4: Simplify right side
    40,424.28x = 1,700,621,254.98
  5. Step 5: Solve for x
    x = 1,700,621,254.98/40,424.28
  6. Step 6: Final answer
    x = 42,069.30

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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.