Home / 55,426.94-83,142.88-20,347.46

Finding the Fourth Proportional to 55,426.94, 83,142.88 and 20,347.46

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Solution

The fourth proportional to 55,426.94, 83,142.88 and 20,347.46 is: 30,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,426.94 : 83,142.88 = 20,347.46 : x
  2. Step 2: Convert to fraction form
    55,426.94/83,142.88 = 20,347.46/x
  3. Step 3: Cross multiply
    55,426.94x = 83,142.88 × 20,347.46
  4. Step 4: Simplify right side
    55,426.94x = 1,691,746,425.08
  5. Step 5: Solve for x
    x = 1,691,746,425.08/55,426.94
  6. Step 6: Final answer
    x = 30,522.10

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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.