Home / 40,353.84-55,682.96-22,445.28

Finding the Fourth Proportional to 40,353.84, 55,682.96 and 22,445.28

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Solution

The fourth proportional to 40,353.84, 55,682.96 and 22,445.28 is: 30,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,353.84 : 55,682.96 = 22,445.28 : x
  2. Step 2: Convert to fraction form
    40,353.84/55,682.96 = 22,445.28/x
  3. Step 3: Cross multiply
    40,353.84x = 55,682.96 × 22,445.28
  4. Step 4: Simplify right side
    40,353.84x = 1,249,819,628.43
  5. Step 5: Solve for x
    x = 1,249,819,628.43/40,353.84
  6. Step 6: Final answer
    x = 30,971.52

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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.