Home / 55,649.26-83,479.02-18,209.50

Finding the Fourth Proportional to 55,649.26, 83,479.02 and 18,209.50

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Solution

The fourth proportional to 55,649.26, 83,479.02 and 18,209.50 is: 27,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.26 : 83,479.02 = 18,209.50 : x
  2. Step 2: Convert to fraction form
    55,649.26/83,479.02 = 18,209.50/x
  3. Step 3: Cross multiply
    55,649.26x = 83,479.02 × 18,209.50
  4. Step 4: Simplify right side
    55,649.26x = 1,520,111,214.69
  5. Step 5: Solve for x
    x = 1,520,111,214.69/55,649.26
  6. Step 6: Final answer
    x = 27,315.93

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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.