Home / 42,035.58-63,077.80-15,758.64

Finding the Fourth Proportional to 42,035.58, 63,077.80 and 15,758.64

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Solution

The fourth proportional to 42,035.58, 63,077.80 and 15,758.64 is: 23,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,035.58 : 63,077.80 = 15,758.64 : x
  2. Step 2: Convert to fraction form
    42,035.58/63,077.80 = 15,758.64/x
  3. Step 3: Cross multiply
    42,035.58x = 63,077.80 × 15,758.64
  4. Step 4: Simplify right side
    42,035.58x = 994,020,026.80
  5. Step 5: Solve for x
    x = 994,020,026.80/42,035.58
  6. Step 6: Final answer
    x = 23,647.11

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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.