Home / 30,288.41-45,441.92-15,507.71

Finding the Fourth Proportional to 30,288.41, 45,441.92 and 15,507.71

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Solution

The fourth proportional to 30,288.41, 45,441.92 and 15,507.71 is: 23,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.41 : 45,441.92 = 15,507.71 : x
  2. Step 2: Convert to fraction form
    30,288.41/45,441.92 = 15,507.71/x
  3. Step 3: Cross multiply
    30,288.41x = 45,441.92 × 15,507.71
  4. Step 4: Simplify right side
    30,288.41x = 704,699,812.46
  5. Step 5: Solve for x
    x = 704,699,812.46/30,288.41
  6. Step 6: Final answer
    x = 23,266.32

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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.