Home / 40,702.10-61,056.51-11,120.18

Finding the Fourth Proportional to 40,702.10, 61,056.51 and 11,120.18

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Solution

The fourth proportional to 40,702.10, 61,056.51 and 11,120.18 is: 16,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,702.10 : 61,056.51 = 11,120.18 : x
  2. Step 2: Convert to fraction form
    40,702.10/61,056.51 = 11,120.18/x
  3. Step 3: Cross multiply
    40,702.10x = 61,056.51 × 11,120.18
  4. Step 4: Simplify right side
    40,702.10x = 678,959,381.37
  5. Step 5: Solve for x
    x = 678,959,381.37/40,702.10
  6. Step 6: Final answer
    x = 16,681.19

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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.