Home / 42,448.55-63,575.75-20,277.50

Finding the Fourth Proportional to 42,448.55, 63,575.75 and 20,277.50

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Solution

The fourth proportional to 42,448.55, 63,575.75 and 20,277.50 is: 30,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.55 : 63,575.75 = 20,277.50 : x
  2. Step 2: Convert to fraction form
    42,448.55/63,575.75 = 20,277.50/x
  3. Step 3: Cross multiply
    42,448.55x = 63,575.75 × 20,277.50
  4. Step 4: Simplify right side
    42,448.55x = 1,289,156,851.36
  5. Step 5: Solve for x
    x = 1,289,156,851.36/42,448.55
  6. Step 6: Final answer
    x = 30,369.87

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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.