Home / 42,771.60-64,168.35-17,803.35

Finding the Fourth Proportional to 42,771.60, 64,168.35 and 17,803.35

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Solution

The fourth proportional to 42,771.60, 64,168.35 and 17,803.35 is: 26,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,771.60 : 64,168.35 = 17,803.35 : x
  2. Step 2: Convert to fraction form
    42,771.60/64,168.35 = 17,803.35/x
  3. Step 3: Cross multiply
    42,771.60x = 64,168.35 × 17,803.35
  4. Step 4: Simplify right side
    42,771.60x = 1,142,411,593.97
  5. Step 5: Solve for x
    x = 1,142,411,593.97/42,771.60
  6. Step 6: Final answer
    x = 26,709.58

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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.