Home / 39,977.79-59,873.40-31,601.58

Finding the Fourth Proportional to 39,977.79, 59,873.40 and 31,601.58

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Solution

The fourth proportional to 39,977.79, 59,873.40 and 31,601.58 is: 47,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.79 : 59,873.40 = 31,601.58 : x
  2. Step 2: Convert to fraction form
    39,977.79/59,873.40 = 31,601.58/x
  3. Step 3: Cross multiply
    39,977.79x = 59,873.40 × 31,601.58
  4. Step 4: Simplify right side
    39,977.79x = 1,892,094,039.97
  5. Step 5: Solve for x
    x = 1,892,094,039.97/39,977.79
  6. Step 6: Final answer
    x = 47,328.63

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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.