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Finding the Fourth Proportional to 64,010.56, 88,334.67 and 35,715.64

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Solution

The fourth proportional to 64,010.56, 88,334.67 and 35,715.64 is: 49,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.56 : 88,334.67 = 35,715.64 : x
  2. Step 2: Convert to fraction form
    64,010.56/88,334.67 = 35,715.64/x
  3. Step 3: Cross multiply
    64,010.56x = 88,334.67 × 35,715.64
  4. Step 4: Simplify right side
    64,010.56x = 3,154,929,273.24
  5. Step 5: Solve for x
    x = 3,154,929,273.24/64,010.56
  6. Step 6: Final answer
    x = 49,287.64

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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.