Home / 55,368.72-83,003.67-20,300.22

Finding the Fourth Proportional to 55,368.72, 83,003.67 and 20,300.22

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Solution

The fourth proportional to 55,368.72, 83,003.67 and 20,300.22 is: 30,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368.72 : 83,003.67 = 20,300.22 : x
  2. Step 2: Convert to fraction form
    55,368.72/83,003.67 = 20,300.22/x
  3. Step 3: Cross multiply
    55,368.72x = 83,003.67 × 20,300.22
  4. Step 4: Simplify right side
    55,368.72x = 1,684,992,761.81
  5. Step 5: Solve for x
    x = 1,684,992,761.81/55,368.72
  6. Step 6: Final answer
    x = 30,432.21

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1.5x scale

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.