Home / 40,714.74-61,075.98-12,635.10

Finding the Fourth Proportional to 40,714.74, 61,075.98 and 12,635.10

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Solution

The fourth proportional to 40,714.74, 61,075.98 and 12,635.10 is: 18,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,714.74 : 61,075.98 = 12,635.10 : x
  2. Step 2: Convert to fraction form
    40,714.74/61,075.98 = 12,635.10/x
  3. Step 3: Cross multiply
    40,714.74x = 61,075.98 × 12,635.10
  4. Step 4: Simplify right side
    40,714.74x = 771,701,114.90
  5. Step 5: Solve for x
    x = 771,701,114.90/40,714.74
  6. Step 6: Final answer
    x = 18,953.85

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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.