Home / 40,320.96-55,646.52-22,419.60

Finding the Fourth Proportional to 40,320.96, 55,646.52 and 22,419.60

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Solution

The fourth proportional to 40,320.96, 55,646.52 and 22,419.60 is: 30,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.96 : 55,646.52 = 22,419.60 : x
  2. Step 2: Convert to fraction form
    40,320.96/55,646.52 = 22,419.60/x
  3. Step 3: Cross multiply
    40,320.96x = 55,646.52 × 22,419.60
  4. Step 4: Simplify right side
    40,320.96x = 1,247,572,719.79
  5. Step 5: Solve for x
    x = 1,247,572,719.79/40,320.96
  6. Step 6: Final answer
    x = 30,941.05

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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.