Home / 40,159.34-55,420.26-22,254.56

Finding the Fourth Proportional to 40,159.34, 55,420.26 and 22,254.56

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Solution

The fourth proportional to 40,159.34, 55,420.26 and 22,254.56 is: 30,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.34 : 55,420.26 = 22,254.56 : x
  2. Step 2: Convert to fraction form
    40,159.34/55,420.26 = 22,254.56/x
  3. Step 3: Cross multiply
    40,159.34x = 55,420.26 × 22,254.56
  4. Step 4: Simplify right side
    40,159.34x = 1,233,353,501.39
  5. Step 5: Solve for x
    x = 1,233,353,501.39/40,159.34
  6. Step 6: Final answer
    x = 30,711.50

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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.