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Finding the Fourth Proportional to 60,007.76, 82,807.65 and 33,145.07

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Solution

The fourth proportional to 60,007.76, 82,807.65 and 33,145.07 is: 45,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,007.76 : 82,807.65 = 33,145.07 : x
  2. Step 2: Convert to fraction form
    60,007.76/82,807.65 = 33,145.07/x
  3. Step 3: Cross multiply
    60,007.76x = 82,807.65 × 33,145.07
  4. Step 4: Simplify right side
    60,007.76x = 2,744,664,941.75
  5. Step 5: Solve for x
    x = 2,744,664,941.75/60,007.76
  6. Step 6: Final answer
    x = 45,738.50

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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.