Home / 39,315.58-54,257.78-29,607.66

Finding the Fourth Proportional to 39,315.58, 54,257.78 and 29,607.66

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Solution

The fourth proportional to 39,315.58, 54,257.78 and 29,607.66 is: 40,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.58 : 54,257.78 = 29,607.66 : x
  2. Step 2: Convert to fraction form
    39,315.58/54,257.78 = 29,607.66/x
  3. Step 3: Cross multiply
    39,315.58x = 54,257.78 × 29,607.66
  4. Step 4: Simplify right side
    39,315.58x = 1,606,445,662.12
  5. Step 5: Solve for x
    x = 1,606,445,662.12/39,315.58
  6. Step 6: Final answer
    x = 40,860.28

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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.