Home / 45,237.78-67,889.46-31,822.58

Finding the Fourth Proportional to 45,237.78, 67,889.46 and 31,822.58

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Solution

The fourth proportional to 45,237.78, 67,889.46 and 31,822.58 is: 47,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,237.78 : 67,889.46 = 31,822.58 : x
  2. Step 2: Convert to fraction form
    45,237.78/67,889.46 = 31,822.58/x
  3. Step 3: Cross multiply
    45,237.78x = 67,889.46 × 31,822.58
  4. Step 4: Simplify right side
    45,237.78x = 2,160,417,432.56
  5. Step 5: Solve for x
    x = 2,160,417,432.56/45,237.78
  6. Step 6: Final answer
    x = 47,756.93

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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.