Home / 53,338.65-80,005.93-13,357.56

Finding the Fourth Proportional to 53,338.65, 80,005.93 and 13,357.56

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Solution

The fourth proportional to 53,338.65, 80,005.93 and 13,357.56 is: 20,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,338.65 : 80,005.93 = 13,357.56 : x
  2. Step 2: Convert to fraction form
    53,338.65/80,005.93 = 13,357.56/x
  3. Step 3: Cross multiply
    53,338.65x = 80,005.93 × 13,357.56
  4. Step 4: Simplify right side
    53,338.65x = 1,068,683,826.93
  5. Step 5: Solve for x
    x = 1,068,683,826.93/53,338.65
  6. Step 6: Final answer
    x = 20,035.82

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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.