Home / 40,620.54-56,056.14-22,715.55

Finding the Fourth Proportional to 40,620.54, 56,056.14 and 22,715.55

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Solution

The fourth proportional to 40,620.54, 56,056.14 and 22,715.55 is: 31,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,620.54 : 56,056.14 = 22,715.55 : x
  2. Step 2: Convert to fraction form
    40,620.54/56,056.14 = 22,715.55/x
  3. Step 3: Cross multiply
    40,620.54x = 56,056.14 × 22,715.55
  4. Step 4: Simplify right side
    40,620.54x = 1,273,346,050.98
  5. Step 5: Solve for x
    x = 1,273,346,050.98/40,620.54
  6. Step 6: Final answer
    x = 31,347.34

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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.