Home / 49,110.80-73,666.20-42,429.20

Finding the Fourth Proportional to 49,110.80, 73,666.20 and 42,429.20

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Solution

The fourth proportional to 49,110.80, 73,666.20 and 42,429.20 is: 63,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,110.80 : 73,666.20 = 42,429.20 : x
  2. Step 2: Convert to fraction form
    49,110.80/73,666.20 = 42,429.20/x
  3. Step 3: Cross multiply
    49,110.80x = 73,666.20 × 42,429.20
  4. Step 4: Simplify right side
    49,110.80x = 3,125,597,933.04
  5. Step 5: Solve for x
    x = 3,125,597,933.04/49,110.80
  6. Step 6: Final answer
    x = 63,643.80

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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.