Home / 64,628.07-89,176.98-36,328.29

Finding the Fourth Proportional to 64,628.07, 89,176.98 and 36,328.29

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Solution

The fourth proportional to 64,628.07, 89,176.98 and 36,328.29 is: 50,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,628.07 : 89,176.98 = 36,328.29 : x
  2. Step 2: Convert to fraction form
    64,628.07/89,176.98 = 36,328.29/x
  3. Step 3: Cross multiply
    64,628.07x = 89,176.98 × 36,328.29
  4. Step 4: Simplify right side
    64,628.07x = 3,239,647,190.76
  5. Step 5: Solve for x
    x = 3,239,647,190.76/64,628.07
  6. Step 6: Final answer
    x = 50,127.56

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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.