Home / 40,872.47-61,312.24-11,290.32

Finding the Fourth Proportional to 40,872.47, 61,312.24 and 11,290.32

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Solution

The fourth proportional to 40,872.47, 61,312.24 and 11,290.32 is: 16,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,872.47 : 61,312.24 = 11,290.32 : x
  2. Step 2: Convert to fraction form
    40,872.47/61,312.24 = 11,290.32/x
  3. Step 3: Cross multiply
    40,872.47x = 61,312.24 × 11,290.32
  4. Step 4: Simplify right side
    40,872.47x = 692,234,823.63
  5. Step 5: Solve for x
    x = 692,234,823.63/40,872.47
  6. Step 6: Final answer
    x = 16,936.46

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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.