Home / 53,800.79-80,666.56-25,720.21

Finding the Fourth Proportional to 53,800.79, 80,666.56 and 25,720.21

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Solution

The fourth proportional to 53,800.79, 80,666.56 and 25,720.21 is: 38,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,800.79 : 80,666.56 = 25,720.21 : x
  2. Step 2: Convert to fraction form
    53,800.79/80,666.56 = 25,720.21/x
  3. Step 3: Cross multiply
    53,800.79x = 80,666.56 × 25,720.21
  4. Step 4: Simplify right side
    53,800.79x = 2,074,760,996.16
  5. Step 5: Solve for x
    x = 2,074,760,996.16/53,800.79
  6. Step 6: Final answer
    x = 38,563.77

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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.