Home / 55,802.20-83,703.30-18,866.20

Finding the Fourth Proportional to 55,802.20, 83,703.30 and 18,866.20

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Solution

The fourth proportional to 55,802.20, 83,703.30 and 18,866.20 is: 28,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.20 : 83,703.30 = 18,866.20 : x
  2. Step 2: Convert to fraction form
    55,802.20/83,703.30 = 18,866.20/x
  3. Step 3: Cross multiply
    55,802.20x = 83,703.30 × 18,866.20
  4. Step 4: Simplify right side
    55,802.20x = 1,579,163,198.46
  5. Step 5: Solve for x
    x = 1,579,163,198.46/55,802.20
  6. Step 6: Final answer
    x = 28,299.30

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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.