Home / 55,523.48-76,573.96-39,358.81

Finding the Fourth Proportional to 55,523.48, 76,573.96 and 39,358.81

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Solution

The fourth proportional to 55,523.48, 76,573.96 and 39,358.81 is: 54,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,523.48 : 76,573.96 = 39,358.81 : x
  2. Step 2: Convert to fraction form
    55,523.48/76,573.96 = 39,358.81/x
  3. Step 3: Cross multiply
    55,523.48x = 76,573.96 × 39,358.81
  4. Step 4: Simplify right side
    55,523.48x = 3,013,859,939.91
  5. Step 5: Solve for x
    x = 3,013,859,939.91/55,523.48
  6. Step 6: Final answer
    x = 54,280.82

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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.