Home / 38,877.18-58,315.39-17,811.25

Finding the Fourth Proportional to 38,877.18, 58,315.39 and 17,811.25

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Solution

The fourth proportional to 38,877.18, 58,315.39 and 17,811.25 is: 26,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,877.18 : 58,315.39 = 17,811.25 : x
  2. Step 2: Convert to fraction form
    38,877.18/58,315.39 = 17,811.25/x
  3. Step 3: Cross multiply
    38,877.18x = 58,315.39 × 17,811.25
  4. Step 4: Simplify right side
    38,877.18x = 1,038,669,643.79
  5. Step 5: Solve for x
    x = 1,038,669,643.79/38,877.18
  6. Step 6: Final answer
    x = 26,716.69

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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.