Home / 30,389.14-45,568.70-9,324.14

Finding the Fourth Proportional to 30,389.14, 45,568.70 and 9,324.14

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Solution

The fourth proportional to 30,389.14, 45,568.70 and 9,324.14 is: 13,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.14 : 45,568.70 = 9,324.14 : x
  2. Step 2: Convert to fraction form
    30,389.14/45,568.70 = 9,324.14/x
  3. Step 3: Cross multiply
    30,389.14x = 45,568.70 × 9,324.14
  4. Step 4: Simplify right side
    30,389.14x = 424,888,938.42
  5. Step 5: Solve for x
    x = 424,888,938.42/30,389.14
  6. Step 6: Final answer
    x = 13,981.60

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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.