Home / 55,621.34-83,431.12-13,501.76

Finding the Fourth Proportional to 55,621.34, 83,431.12 and 13,501.76

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Solution

The fourth proportional to 55,621.34, 83,431.12 and 13,501.76 is: 20,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621.34 : 83,431.12 = 13,501.76 : x
  2. Step 2: Convert to fraction form
    55,621.34/83,431.12 = 13,501.76/x
  3. Step 3: Cross multiply
    55,621.34x = 83,431.12 × 13,501.76
  4. Step 4: Simplify right side
    55,621.34x = 1,126,466,958.77
  5. Step 5: Solve for x
    x = 1,126,466,958.77/55,621.34
  6. Step 6: Final answer
    x = 20,252.42

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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.