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Finding the Fourth Proportional to 64,598.51, 96,895.04 and 20,224.28

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Solution

The fourth proportional to 64,598.51, 96,895.04 and 20,224.28 is: 30,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,598.51 : 96,895.04 = 20,224.28 : x
  2. Step 2: Convert to fraction form
    64,598.51/96,895.04 = 20,224.28/x
  3. Step 3: Cross multiply
    64,598.51x = 96,895.04 × 20,224.28
  4. Step 4: Simplify right side
    64,598.51x = 1,959,632,560.69
  5. Step 5: Solve for x
    x = 1,959,632,560.69/64,598.51
  6. Step 6: Final answer
    x = 30,335.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.