Home / 48,966.40-73,538.70-42,842.80

Finding the Fourth Proportional to 48,966.40, 73,538.70 and 42,842.80

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Solution

The fourth proportional to 48,966.40, 73,538.70 and 42,842.80 is: 64,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,966.40 : 73,538.70 = 42,842.80 : x
  2. Step 2: Convert to fraction form
    48,966.40/73,538.70 = 42,842.80/x
  3. Step 3: Cross multiply
    48,966.40x = 73,538.70 × 42,842.80
  4. Step 4: Simplify right side
    48,966.40x = 3,150,603,816.36
  5. Step 5: Solve for x
    x = 3,150,603,816.36/48,966.40
  6. Step 6: Final answer
    x = 64,342.16

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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.