Home / 57,875.23-86,839.85-20,463.63

Finding the Fourth Proportional to 57,875.23, 86,839.85 and 20,463.63

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Solution

The fourth proportional to 57,875.23, 86,839.85 and 20,463.63 is: 30,704.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,875.23 : 86,839.85 = 20,463.63 : x
  2. Step 2: Convert to fraction form
    57,875.23/86,839.85 = 20,463.63/x
  3. Step 3: Cross multiply
    57,875.23x = 86,839.85 × 20,463.63
  4. Step 4: Simplify right side
    57,875.23x = 1,777,058,559.66
  5. Step 5: Solve for x
    x = 1,777,058,559.66/57,875.23
  6. Step 6: Final answer
    x = 30,704.99

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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.