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Finding the Fourth Proportional to 64,015.79, 96,042.89 and 30,307.50

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Solution

The fourth proportional to 64,015.79, 96,042.89 and 30,307.50 is: 45,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,015.79 : 96,042.89 = 30,307.50 : x
  2. Step 2: Convert to fraction form
    64,015.79/96,042.89 = 30,307.50/x
  3. Step 3: Cross multiply
    64,015.79x = 96,042.89 × 30,307.50
  4. Step 4: Simplify right side
    64,015.79x = 2,910,819,964.44
  5. Step 5: Solve for x
    x = 2,910,819,964.44/64,015.79
  6. Step 6: Final answer
    x = 45,470.35

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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.