Home / 57,488.34-79,334.43-31,995.78

Finding the Fourth Proportional to 57,488.34, 79,334.43 and 31,995.78

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Solution

The fourth proportional to 57,488.34, 79,334.43 and 31,995.78 is: 44,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,488.34 : 79,334.43 = 31,995.78 : x
  2. Step 2: Convert to fraction form
    57,488.34/79,334.43 = 31,995.78/x
  3. Step 3: Cross multiply
    57,488.34x = 79,334.43 × 31,995.78
  4. Step 4: Simplify right side
    57,488.34x = 2,538,366,968.71
  5. Step 5: Solve for x
    x = 2,538,366,968.71/57,488.34
  6. Step 6: Final answer
    x = 44,154.47

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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.