Home / 55,476.23-83,206.15-20,407.69

Finding the Fourth Proportional to 55,476.23, 83,206.15 and 20,407.69

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Solution

The fourth proportional to 55,476.23, 83,206.15 and 20,407.69 is: 30,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,476.23 : 83,206.15 = 20,407.69 : x
  2. Step 2: Convert to fraction form
    55,476.23/83,206.15 = 20,407.69/x
  3. Step 3: Cross multiply
    55,476.23x = 83,206.15 × 20,407.69
  4. Step 4: Simplify right side
    55,476.23x = 1,698,045,056.26
  5. Step 5: Solve for x
    x = 1,698,045,056.26/55,476.23
  6. Step 6: Final answer
    x = 30,608.51

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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.