Home / 57,709.04-86,602.21-20,269.24

Finding the Fourth Proportional to 57,709.04, 86,602.21 and 20,269.24

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Solution

The fourth proportional to 57,709.04, 86,602.21 and 20,269.24 is: 30,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.04 : 86,602.21 = 20,269.24 : x
  2. Step 2: Convert to fraction form
    57,709.04/86,602.21 = 20,269.24/x
  3. Step 3: Cross multiply
    57,709.04x = 86,602.21 × 20,269.24
  4. Step 4: Simplify right side
    57,709.04x = 1,755,360,711.84
  5. Step 5: Solve for x
    x = 1,755,360,711.84/57,709.04
  6. Step 6: Final answer
    x = 30,417.43

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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.