Home / 40,420.19-55,772.47-22,514.74

Finding the Fourth Proportional to 40,420.19, 55,772.47 and 22,514.74

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Solution

The fourth proportional to 40,420.19, 55,772.47 and 22,514.74 is: 31,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.19 : 55,772.47 = 22,514.74 : x
  2. Step 2: Convert to fraction form
    40,420.19/55,772.47 = 22,514.74/x
  3. Step 3: Cross multiply
    40,420.19x = 55,772.47 × 22,514.74
  4. Step 4: Simplify right side
    40,420.19x = 1,255,702,661.21
  5. Step 5: Solve for x
    x = 1,255,702,661.21/40,420.19
  6. Step 6: Final answer
    x = 31,066.22

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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.