Home / 39,340.64-59,016.78-12,677.69

Finding the Fourth Proportional to 39,340.64, 59,016.78 and 12,677.69

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Solution

The fourth proportional to 39,340.64, 59,016.78 and 12,677.69 is: 19,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,340.64 : 59,016.78 = 12,677.69 : x
  2. Step 2: Convert to fraction form
    39,340.64/59,016.78 = 12,677.69/x
  3. Step 3: Cross multiply
    39,340.64x = 59,016.78 × 12,677.69
  4. Step 4: Simplify right side
    39,340.64x = 748,196,441.64
  5. Step 5: Solve for x
    x = 748,196,441.64/39,340.64
  6. Step 6: Final answer
    x = 19,018.41

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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.