Home / 40,021.02-55,228.77-22,117.05

Finding the Fourth Proportional to 40,021.02, 55,228.77 and 22,117.05

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Solution

The fourth proportional to 40,021.02, 55,228.77 and 22,117.05 is: 30,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.02 : 55,228.77 = 22,117.05 : x
  2. Step 2: Convert to fraction form
    40,021.02/55,228.77 = 22,117.05/x
  3. Step 3: Cross multiply
    40,021.02x = 55,228.77 × 22,117.05
  4. Step 4: Simplify right side
    40,021.02x = 1,221,497,467.53
  5. Step 5: Solve for x
    x = 1,221,497,467.53/40,021.02
  6. Step 6: Final answer
    x = 30,521.40

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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.