Home / 38,869.56-58,322.76-20,146.08

Finding the Fourth Proportional to 38,869.56, 58,322.76 and 20,146.08

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Solution

The fourth proportional to 38,869.56, 58,322.76 and 20,146.08 is: 30,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869.56 : 58,322.76 = 20,146.08 : x
  2. Step 2: Convert to fraction form
    38,869.56/58,322.76 = 20,146.08/x
  3. Step 3: Cross multiply
    38,869.56x = 58,322.76 × 20,146.08
  4. Step 4: Simplify right side
    38,869.56x = 1,174,974,988.78
  5. Step 5: Solve for x
    x = 1,174,974,988.78/38,869.56
  6. Step 6: Final answer
    x = 30,228.67

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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.