Home / 42,360.23-63,519.81-12,772.55

Finding the Fourth Proportional to 42,360.23, 63,519.81 and 12,772.55

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Solution

The fourth proportional to 42,360.23, 63,519.81 and 12,772.55 is: 19,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.23 : 63,519.81 = 12,772.55 : x
  2. Step 2: Convert to fraction form
    42,360.23/63,519.81 = 12,772.55/x
  3. Step 3: Cross multiply
    42,360.23x = 63,519.81 × 12,772.55
  4. Step 4: Simplify right side
    42,360.23x = 811,309,631.62
  5. Step 5: Solve for x
    x = 811,309,631.62/42,360.23
  6. Step 6: Final answer
    x = 19,152.63

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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.