Home / 57,014.12-78,681.69-37,860.86

Finding the Fourth Proportional to 57,014.12, 78,681.69 and 37,860.86

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Solution

The fourth proportional to 57,014.12, 78,681.69 and 37,860.86 is: 52,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.12 : 78,681.69 = 37,860.86 : x
  2. Step 2: Convert to fraction form
    57,014.12/78,681.69 = 37,860.86/x
  3. Step 3: Cross multiply
    57,014.12x = 78,681.69 × 37,860.86
  4. Step 4: Simplify right side
    57,014.12x = 2,978,956,449.65
  5. Step 5: Solve for x
    x = 2,978,956,449.65/57,014.12
  6. Step 6: Final answer
    x = 52,249.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.