Home / 55,527-76,628.34-30,377.04

Finding the Fourth Proportional to 55,527, 76,628.34 and 30,377.04

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Solution

The fourth proportional to 55,527, 76,628.34 and 30,377.04 is: 41,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,527 : 76,628.34 = 30,377.04 : x
  2. Step 2: Convert to fraction form
    55,527/76,628.34 = 30,377.04/x
  3. Step 3: Cross multiply
    55,527x = 76,628.34 × 30,377.04
  4. Step 4: Simplify right side
    55,527x = 2,327,742,149.31
  5. Step 5: Solve for x
    x = 2,327,742,149.31/55,527
  6. Step 6: Final answer
    x = 41,920.91

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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.