Home / 57,310.47-79,089.14-31,817.34

Finding the Fourth Proportional to 57,310.47, 79,089.14 and 31,817.34

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Solution

The fourth proportional to 57,310.47, 79,089.14 and 31,817.34 is: 43,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,310.47 : 79,089.14 = 31,817.34 : x
  2. Step 2: Convert to fraction form
    57,310.47/79,089.14 = 31,817.34/x
  3. Step 3: Cross multiply
    57,310.47x = 79,089.14 × 31,817.34
  4. Step 4: Simplify right side
    57,310.47x = 2,516,406,057.69
  5. Step 5: Solve for x
    x = 2,516,406,057.69/57,310.47
  6. Step 6: Final answer
    x = 43,908.31

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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.