Home / 42,941.75-64,421.94-17,968.94

Finding the Fourth Proportional to 42,941.75, 64,421.94 and 17,968.94

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Solution

The fourth proportional to 42,941.75, 64,421.94 and 17,968.94 is: 26,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,941.75 : 64,421.94 = 17,968.94 : x
  2. Step 2: Convert to fraction form
    42,941.75/64,421.94 = 17,968.94/x
  3. Step 3: Cross multiply
    42,941.75x = 64,421.94 × 17,968.94
  4. Step 4: Simplify right side
    42,941.75x = 1,157,593,652.43
  5. Step 5: Solve for x
    x = 1,157,593,652.43/42,941.75
  6. Step 6: Final answer
    x = 26,957.30

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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.