Home / 30,425.04-41,681.56-29,287.88

Finding the Fourth Proportional to 30,425.04, 41,681.56 and 29,287.88

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Solution

The fourth proportional to 30,425.04, 41,681.56 and 29,287.88 is: 40,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.04 : 41,681.56 = 29,287.88 : x
  2. Step 2: Convert to fraction form
    30,425.04/41,681.56 = 29,287.88/x
  3. Step 3: Cross multiply
    30,425.04x = 41,681.56 × 29,287.88
  4. Step 4: Simplify right side
    30,425.04x = 1,220,764,527.49
  5. Step 5: Solve for x
    x = 1,220,764,527.49/30,425.04
  6. Step 6: Final answer
    x = 40,123.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.