Home / 64,911.43-89,578.07-38,054.35

Finding the Fourth Proportional to 64,911.43, 89,578.07 and 38,054.35

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Solution

The fourth proportional to 64,911.43, 89,578.07 and 38,054.35 is: 52,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,911.43 : 89,578.07 = 38,054.35 : x
  2. Step 2: Convert to fraction form
    64,911.43/89,578.07 = 38,054.35/x
  3. Step 3: Cross multiply
    64,911.43x = 89,578.07 × 38,054.35
  4. Step 4: Simplify right side
    64,911.43x = 3,408,835,228.10
  5. Step 5: Solve for x
    x = 3,408,835,228.10/64,911.43
  6. Step 6: Final answer
    x = 52,515.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.