Home / 56,162.70-84,219.03-21,077.55

Finding the Fourth Proportional to 56,162.70, 84,219.03 and 21,077.55

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Solution

The fourth proportional to 56,162.70, 84,219.03 and 21,077.55 is: 31,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162.70 : 84,219.03 = 21,077.55 : x
  2. Step 2: Convert to fraction form
    56,162.70/84,219.03 = 21,077.55/x
  3. Step 3: Cross multiply
    56,162.70x = 84,219.03 × 21,077.55
  4. Step 4: Simplify right side
    56,162.70x = 1,775,130,815.78
  5. Step 5: Solve for x
    x = 1,775,130,815.78/56,162.70
  6. Step 6: Final answer
    x = 31,606.94

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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.