Home / 42,841.44-64,277.55-19,147.02

Finding the Fourth Proportional to 42,841.44, 64,277.55 and 19,147.02

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Solution

The fourth proportional to 42,841.44, 64,277.55 and 19,147.02 is: 28,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,841.44 : 64,277.55 = 19,147.02 : x
  2. Step 2: Convert to fraction form
    42,841.44/64,277.55 = 19,147.02/x
  3. Step 3: Cross multiply
    42,841.44x = 64,277.55 × 19,147.02
  4. Step 4: Simplify right side
    42,841.44x = 1,230,723,535.40
  5. Step 5: Solve for x
    x = 1,230,723,535.40/42,841.44
  6. Step 6: Final answer
    x = 28,727.41

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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.