Home / 39,210.78-58,783.10-17,007.42

Finding the Fourth Proportional to 39,210.78, 58,783.10 and 17,007.42

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Solution

The fourth proportional to 39,210.78, 58,783.10 and 17,007.42 is: 25,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.78 : 58,783.10 = 17,007.42 : x
  2. Step 2: Convert to fraction form
    39,210.78/58,783.10 = 17,007.42/x
  3. Step 3: Cross multiply
    39,210.78x = 58,783.10 × 17,007.42
  4. Step 4: Simplify right side
    39,210.78x = 999,748,785.56
  5. Step 5: Solve for x
    x = 999,748,785.56/39,210.78
  6. Step 6: Final answer
    x = 25,496.78

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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.