Home / 55,563.81-76,677.91-30,070.22

Finding the Fourth Proportional to 55,563.81, 76,677.91 and 30,070.22

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Solution

The fourth proportional to 55,563.81, 76,677.91 and 30,070.22 is: 41,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,563.81 : 76,677.91 = 30,070.22 : x
  2. Step 2: Convert to fraction form
    55,563.81/76,677.91 = 30,070.22/x
  3. Step 3: Cross multiply
    55,563.81x = 76,677.91 × 30,070.22
  4. Step 4: Simplify right side
    55,563.81x = 2,305,721,595.59
  5. Step 5: Solve for x
    x = 2,305,721,595.59/55,563.81
  6. Step 6: Final answer
    x = 41,496.83

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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.