Home / 36,075.76-54,114-12,702.40

Finding the Fourth Proportional to 36,075.76, 54,114 and 12,702.40

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Solution

The fourth proportional to 36,075.76, 54,114 and 12,702.40 is: 19,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.76 : 54,114 = 12,702.40 : x
  2. Step 2: Convert to fraction form
    36,075.76/54,114 = 12,702.40/x
  3. Step 3: Cross multiply
    36,075.76x = 54,114 × 12,702.40
  4. Step 4: Simplify right side
    36,075.76x = 687,377,673.60
  5. Step 5: Solve for x
    x = 687,377,673.60/36,075.76
  6. Step 6: Final answer
    x = 19,053.73

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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.