Home / 56,226.61-84,319.18-18,776.66

Finding the Fourth Proportional to 56,226.61, 84,319.18 and 18,776.66

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Solution

The fourth proportional to 56,226.61, 84,319.18 and 18,776.66 is: 28,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,226.61 : 84,319.18 = 18,776.66 : x
  2. Step 2: Convert to fraction form
    56,226.61/84,319.18 = 18,776.66/x
  3. Step 3: Cross multiply
    56,226.61x = 84,319.18 × 18,776.66
  4. Step 4: Simplify right side
    56,226.61x = 1,583,232,580.10
  5. Step 5: Solve for x
    x = 1,583,232,580.10/56,226.61
  6. Step 6: Final answer
    x = 28,158.07

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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.