Home / 42,197.45-58,172.36-28,751.45

Finding the Fourth Proportional to 42,197.45, 58,172.36 and 28,751.45

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Solution

The fourth proportional to 42,197.45, 58,172.36 and 28,751.45 is: 39,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,197.45 : 58,172.36 = 28,751.45 : x
  2. Step 2: Convert to fraction form
    42,197.45/58,172.36 = 28,751.45/x
  3. Step 3: Cross multiply
    42,197.45x = 58,172.36 × 28,751.45
  4. Step 4: Simplify right side
    42,197.45x = 1,672,539,265.30
  5. Step 5: Solve for x
    x = 1,672,539,265.30/42,197.45
  6. Step 6: Final answer
    x = 39,636.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.