Home / 55,722.69-76,898.66-30,572.19

Finding the Fourth Proportional to 55,722.69, 76,898.66 and 30,572.19

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Solution

The fourth proportional to 55,722.69, 76,898.66 and 30,572.19 is: 42,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.69 : 76,898.66 = 30,572.19 : x
  2. Step 2: Convert to fraction form
    55,722.69/76,898.66 = 30,572.19/x
  3. Step 3: Cross multiply
    55,722.69x = 76,898.66 × 30,572.19
  4. Step 4: Simplify right side
    55,722.69x = 2,350,960,444.27
  5. Step 5: Solve for x
    x = 2,350,960,444.27/55,722.69
  6. Step 6: Final answer
    x = 42,190.36

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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.