Home / 64,683.90-89,261.46-36,002.61

Finding the Fourth Proportional to 64,683.90, 89,261.46 and 36,002.61

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Solution

The fourth proportional to 64,683.90, 89,261.46 and 36,002.61 is: 49,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,683.90 : 89,261.46 = 36,002.61 : x
  2. Step 2: Convert to fraction form
    64,683.90/89,261.46 = 36,002.61/x
  3. Step 3: Cross multiply
    64,683.90x = 89,261.46 × 36,002.61
  4. Step 4: Simplify right side
    64,683.90x = 3,213,645,532.41
  5. Step 5: Solve for x
    x = 3,213,645,532.41/64,683.90
  6. Step 6: Final answer
    x = 49,682.31

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1.5x scale

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.