Home / 42,771.02-64,158.68-19,074.48

Finding the Fourth Proportional to 42,771.02, 64,158.68 and 19,074.48

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Solution

The fourth proportional to 42,771.02, 64,158.68 and 19,074.48 is: 28,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,771.02 : 64,158.68 = 19,074.48 : x
  2. Step 2: Convert to fraction form
    42,771.02/64,158.68 = 19,074.48/x
  3. Step 3: Cross multiply
    42,771.02x = 64,158.68 × 19,074.48
  4. Step 4: Simplify right side
    42,771.02x = 1,223,793,363.11
  5. Step 5: Solve for x
    x = 1,223,793,363.11/42,771.02
  6. Step 6: Final answer
    x = 28,612.68

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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.