Home / 57,644.28-79,549.14-31,148.28

Finding the Fourth Proportional to 57,644.28, 79,549.14 and 31,148.28

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Solution

The fourth proportional to 57,644.28, 79,549.14 and 31,148.28 is: 42,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.28 : 79,549.14 = 31,148.28 : x
  2. Step 2: Convert to fraction form
    57,644.28/79,549.14 = 31,148.28/x
  3. Step 3: Cross multiply
    57,644.28x = 79,549.14 × 31,148.28
  4. Step 4: Simplify right side
    57,644.28x = 2,477,818,886.48
  5. Step 5: Solve for x
    x = 2,477,818,886.48/57,644.28
  6. Step 6: Final answer
    x = 42,984.64

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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.