Home / 34,944.78-52,404.21-18,931.14

Finding the Fourth Proportional to 34,944.78, 52,404.21 and 18,931.14

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Solution

The fourth proportional to 34,944.78, 52,404.21 and 18,931.14 is: 28,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,944.78 : 52,404.21 = 18,931.14 : x
  2. Step 2: Convert to fraction form
    34,944.78/52,404.21 = 18,931.14/x
  3. Step 3: Cross multiply
    34,944.78x = 52,404.21 × 18,931.14
  4. Step 4: Simplify right side
    34,944.78x = 992,071,436.10
  5. Step 5: Solve for x
    x = 992,071,436.10/34,944.78
  6. Step 6: Final answer
    x = 28,389.69

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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.