Home / 40,693.14-61,031.49-28,325.66

Finding the Fourth Proportional to 40,693.14, 61,031.49 and 28,325.66

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Solution

The fourth proportional to 40,693.14, 61,031.49 and 28,325.66 is: 42,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,693.14 : 61,031.49 = 28,325.66 : x
  2. Step 2: Convert to fraction form
    40,693.14/61,031.49 = 28,325.66/x
  3. Step 3: Cross multiply
    40,693.14x = 61,031.49 × 28,325.66
  4. Step 4: Simplify right side
    40,693.14x = 1,728,756,929.88
  5. Step 5: Solve for x
    x = 1,728,756,929.88/40,693.14
  6. Step 6: Final answer
    x = 42,482.76

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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.