Home / 57,420.42-86,155.11-22,384.74

Finding the Fourth Proportional to 57,420.42, 86,155.11 and 22,384.74

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Solution

The fourth proportional to 57,420.42, 86,155.11 and 22,384.74 is: 33,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.42 : 86,155.11 = 22,384.74 : x
  2. Step 2: Convert to fraction form
    57,420.42/86,155.11 = 22,384.74/x
  3. Step 3: Cross multiply
    57,420.42x = 86,155.11 × 22,384.74
  4. Step 4: Simplify right side
    57,420.42x = 1,928,559,737.02
  5. Step 5: Solve for x
    x = 1,928,559,737.02/57,420.42
  6. Step 6: Final answer
    x = 33,586.65

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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.