Home / 56,119.55-84,115.74-18,670.82

Finding the Fourth Proportional to 56,119.55, 84,115.74 and 18,670.82

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Solution

The fourth proportional to 56,119.55, 84,115.74 and 18,670.82 is: 27,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.55 : 84,115.74 = 18,670.82 : x
  2. Step 2: Convert to fraction form
    56,119.55/84,115.74 = 18,670.82/x
  3. Step 3: Cross multiply
    56,119.55x = 84,115.74 × 18,670.82
  4. Step 4: Simplify right side
    56,119.55x = 1,570,509,840.71
  5. Step 5: Solve for x
    x = 1,570,509,840.71/56,119.55
  6. Step 6: Final answer
    x = 27,985.08

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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.