Home / 56,221.56-84,332.30-18,774.63

Finding the Fourth Proportional to 56,221.56, 84,332.30 and 18,774.63

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Solution

The fourth proportional to 56,221.56, 84,332.30 and 18,774.63 is: 28,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,221.56 : 84,332.30 = 18,774.63 : x
  2. Step 2: Convert to fraction form
    56,221.56/84,332.30 = 18,774.63/x
  3. Step 3: Cross multiply
    56,221.56x = 84,332.30 × 18,774.63
  4. Step 4: Simplify right side
    56,221.56x = 1,583,307,635.68
  5. Step 5: Solve for x
    x = 1,583,307,635.68/56,221.56
  6. Step 6: Final answer
    x = 28,161.93

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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.