Home / 38,082.81-52,554.83-21,087.02

Finding the Fourth Proportional to 38,082.81, 52,554.83 and 21,087.02

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Solution

The fourth proportional to 38,082.81, 52,554.83 and 21,087.02 is: 29,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.81 : 52,554.83 = 21,087.02 : x
  2. Step 2: Convert to fraction form
    38,082.81/52,554.83 = 21,087.02/x
  3. Step 3: Cross multiply
    38,082.81x = 52,554.83 × 21,087.02
  4. Step 4: Simplify right side
    38,082.81x = 1,108,224,836.79
  5. Step 5: Solve for x
    x = 1,108,224,836.79/38,082.81
  6. Step 6: Final answer
    x = 29,100.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.