Home / 48,007.05-72,018.78-21,362.70

Finding the Fourth Proportional to 48,007.05, 72,018.78 and 21,362.70

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Solution

The fourth proportional to 48,007.05, 72,018.78 and 21,362.70 is: 32,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.05 : 72,018.78 = 21,362.70 : x
  2. Step 2: Convert to fraction form
    48,007.05/72,018.78 = 21,362.70/x
  3. Step 3: Cross multiply
    48,007.05x = 72,018.78 × 21,362.70
  4. Step 4: Simplify right side
    48,007.05x = 1,538,515,591.51
  5. Step 5: Solve for x
    x = 1,538,515,591.51/48,007.05
  6. Step 6: Final answer
    x = 32,047.70

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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.