Home / 57,465.36-79,257.21-39,326.79

Finding the Fourth Proportional to 57,465.36, 79,257.21 and 39,326.79

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Solution

The fourth proportional to 57,465.36, 79,257.21 and 39,326.79 is: 54,240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,465.36 : 79,257.21 = 39,326.79 : x
  2. Step 2: Convert to fraction form
    57,465.36/79,257.21 = 39,326.79/x
  3. Step 3: Cross multiply
    57,465.36x = 79,257.21 × 39,326.79
  4. Step 4: Simplify right side
    57,465.36x = 3,116,931,653.66
  5. Step 5: Solve for x
    x = 3,116,931,653.66/57,465.36
  6. Step 6: Final answer
    x = 54,240.18

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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.