Home / 39,462.65-54,462.21-21,560.36

Finding the Fourth Proportional to 39,462.65, 54,462.21 and 21,560.36

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Solution

The fourth proportional to 39,462.65, 54,462.21 and 21,560.36 is: 29,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.65 : 54,462.21 = 21,560.36 : x
  2. Step 2: Convert to fraction form
    39,462.65/54,462.21 = 21,560.36/x
  3. Step 3: Cross multiply
    39,462.65x = 54,462.21 × 21,560.36
  4. Step 4: Simplify right side
    39,462.65x = 1,174,224,581.68
  5. Step 5: Solve for x
    x = 1,174,224,581.68/39,462.65
  6. Step 6: Final answer
    x = 29,755.34

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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.