Home / 57,290.09-79,059.14-31,794.98

Finding the Fourth Proportional to 57,290.09, 79,059.14 and 31,794.98

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Solution

The fourth proportional to 57,290.09, 79,059.14 and 31,794.98 is: 43,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,290.09 : 79,059.14 = 31,794.98 : x
  2. Step 2: Convert to fraction form
    57,290.09/79,059.14 = 31,794.98/x
  3. Step 3: Cross multiply
    57,290.09x = 79,059.14 × 31,794.98
  4. Step 4: Simplify right side
    57,290.09x = 2,513,683,577.47
  5. Step 5: Solve for x
    x = 2,513,683,577.47/57,290.09
  6. Step 6: Final answer
    x = 43,876.41

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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.