Home / 64,772.16-89,385.36-36,477.84

Finding the Fourth Proportional to 64,772.16, 89,385.36 and 36,477.84

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Solution

The fourth proportional to 64,772.16, 89,385.36 and 36,477.84 is: 50,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,772.16 : 89,385.36 = 36,477.84 : x
  2. Step 2: Convert to fraction form
    64,772.16/89,385.36 = 36,477.84/x
  3. Step 3: Cross multiply
    64,772.16x = 89,385.36 × 36,477.84
  4. Step 4: Simplify right side
    64,772.16x = 3,260,584,860.42
  5. Step 5: Solve for x
    x = 3,260,584,860.42/64,772.16
  6. Step 6: Final answer
    x = 50,339.29

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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.