Home / 30,053.22-41,507.46-20,476.48

Finding the Fourth Proportional to 30,053.22, 41,507.46 and 20,476.48

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Solution

The fourth proportional to 30,053.22, 41,507.46 and 20,476.48 is: 28,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.22 : 41,507.46 = 20,476.48 : x
  2. Step 2: Convert to fraction form
    30,053.22/41,507.46 = 20,476.48/x
  3. Step 3: Cross multiply
    30,053.22x = 41,507.46 × 20,476.48
  4. Step 4: Simplify right side
    30,053.22x = 849,926,674.54
  5. Step 5: Solve for x
    x = 849,926,674.54/30,053.22
  6. Step 6: Final answer
    x = 28,280.72

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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.