Home / 57,035.73-78,709.49-31,885.23

Finding the Fourth Proportional to 57,035.73, 78,709.49 and 31,885.23

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Solution

The fourth proportional to 57,035.73, 78,709.49 and 31,885.23 is: 44,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,035.73 : 78,709.49 = 31,885.23 : x
  2. Step 2: Convert to fraction form
    57,035.73/78,709.49 = 31,885.23/x
  3. Step 3: Cross multiply
    57,035.73x = 78,709.49 × 31,885.23
  4. Step 4: Simplify right side
    57,035.73x = 2,509,670,191.83
  5. Step 5: Solve for x
    x = 2,509,670,191.83/57,035.73
  6. Step 6: Final answer
    x = 44,001.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.