Home / 55,363.20-83,044.80-20,298.30

Finding the Fourth Proportional to 55,363.20, 83,044.80 and 20,298.30

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Solution

The fourth proportional to 55,363.20, 83,044.80 and 20,298.30 is: 30,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.20 : 83,044.80 = 20,298.30 : x
  2. Step 2: Convert to fraction form
    55,363.20/83,044.80 = 20,298.30/x
  3. Step 3: Cross multiply
    55,363.20x = 83,044.80 × 20,298.30
  4. Step 4: Simplify right side
    55,363.20x = 1,685,668,263.84
  5. Step 5: Solve for x
    x = 1,685,668,263.84/55,363.20
  6. Step 6: Final answer
    x = 30,447.45

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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.