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Finding the Fourth Proportional to 64,525.52, 89,048.76 and 36,235.28

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Solution

The fourth proportional to 64,525.52, 89,048.76 and 36,235.28 is: 50,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,525.52 : 89,048.76 = 36,235.28 : x
  2. Step 2: Convert to fraction form
    64,525.52/89,048.76 = 36,235.28/x
  3. Step 3: Cross multiply
    64,525.52x = 89,048.76 × 36,235.28
  4. Step 4: Simplify right side
    64,525.52x = 3,226,706,752.25
  5. Step 5: Solve for x
    x = 3,226,706,752.25/64,525.52
  6. Step 6: Final answer
    x = 50,006.68

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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.