Home / 56,119.59-84,120.21-18,669.66

Finding the Fourth Proportional to 56,119.59, 84,120.21 and 18,669.66

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Solution

The fourth proportional to 56,119.59, 84,120.21 and 18,669.66 is: 27,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.59 : 84,120.21 = 18,669.66 : x
  2. Step 2: Convert to fraction form
    56,119.59/84,120.21 = 18,669.66/x
  3. Step 3: Cross multiply
    56,119.59x = 84,120.21 × 18,669.66
  4. Step 4: Simplify right side
    56,119.59x = 1,570,495,719.83
  5. Step 5: Solve for x
    x = 1,570,495,719.83/56,119.59
  6. Step 6: Final answer
    x = 27,984.80

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1.5x scale

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.