Home / 30,348.04-45,527.55-9,287.71

Finding the Fourth Proportional to 30,348.04, 45,527.55 and 9,287.71

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Solution

The fourth proportional to 30,348.04, 45,527.55 and 9,287.71 is: 13,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.04 : 45,527.55 = 9,287.71 : x
  2. Step 2: Convert to fraction form
    30,348.04/45,527.55 = 9,287.71/x
  3. Step 3: Cross multiply
    30,348.04x = 45,527.55 × 9,287.71
  4. Step 4: Simplify right side
    30,348.04x = 422,846,681.41
  5. Step 5: Solve for x
    x = 422,846,681.41/30,348.04
  6. Step 6: Final answer
    x = 13,933.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.