Home / 51,835.50-71,541.63-39,238.38

Finding the Fourth Proportional to 51,835.50, 71,541.63 and 39,238.38

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Solution

The fourth proportional to 51,835.50, 71,541.63 and 39,238.38 is: 54,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,835.50 : 71,541.63 = 39,238.38 : x
  2. Step 2: Convert to fraction form
    51,835.50/71,541.63 = 39,238.38/x
  3. Step 3: Cross multiply
    51,835.50x = 71,541.63 × 39,238.38
  4. Step 4: Simplify right side
    51,835.50x = 2,807,177,663.76
  5. Step 5: Solve for x
    x = 2,807,177,663.76/51,835.50
  6. Step 6: Final answer
    x = 54,155.50

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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.