Home / 57,304.33-79,089.40-31,818.84

Finding the Fourth Proportional to 57,304.33, 79,089.40 and 31,818.84

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Solution

The fourth proportional to 57,304.33, 79,089.40 and 31,818.84 is: 43,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304.33 : 79,089.40 = 31,818.84 : x
  2. Step 2: Convert to fraction form
    57,304.33/79,089.40 = 31,818.84/x
  3. Step 3: Cross multiply
    57,304.33x = 79,089.40 × 31,818.84
  4. Step 4: Simplify right side
    57,304.33x = 2,516,532,707.48
  5. Step 5: Solve for x
    x = 2,516,532,707.48/57,304.33
  6. Step 6: Final answer
    x = 43,915.23

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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.