Home / 53,082.96-79,627.23-13,640.34

Finding the Fourth Proportional to 53,082.96, 79,627.23 and 13,640.34

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Solution

The fourth proportional to 53,082.96, 79,627.23 and 13,640.34 is: 20,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,082.96 : 79,627.23 = 13,640.34 : x
  2. Step 2: Convert to fraction form
    53,082.96/79,627.23 = 13,640.34/x
  3. Step 3: Cross multiply
    53,082.96x = 79,627.23 × 13,640.34
  4. Step 4: Simplify right side
    53,082.96x = 1,086,142,490.46
  5. Step 5: Solve for x
    x = 1,086,142,490.46/53,082.96
  6. Step 6: Final answer
    x = 20,461.23

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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.