Home / 64,724.64-89,318.52-36,430.08

Finding the Fourth Proportional to 64,724.64, 89,318.52 and 36,430.08

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Solution

The fourth proportional to 64,724.64, 89,318.52 and 36,430.08 is: 50,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,724.64 : 89,318.52 = 36,430.08 : x
  2. Step 2: Convert to fraction form
    64,724.64/89,318.52 = 36,430.08/x
  3. Step 3: Cross multiply
    64,724.64x = 89,318.52 × 36,430.08
  4. Step 4: Simplify right side
    64,724.64x = 3,253,880,829.08
  5. Step 5: Solve for x
    x = 3,253,880,829.08/64,724.64
  6. Step 6: Final answer
    x = 50,272.68

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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.