Home / 40,655.21-56,106.53-22,750.05

Finding the Fourth Proportional to 40,655.21, 56,106.53 and 22,750.05

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Solution

The fourth proportional to 40,655.21, 56,106.53 and 22,750.05 is: 31,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,655.21 : 56,106.53 = 22,750.05 : x
  2. Step 2: Convert to fraction form
    40,655.21/56,106.53 = 22,750.05/x
  3. Step 3: Cross multiply
    40,655.21x = 56,106.53 × 22,750.05
  4. Step 4: Simplify right side
    40,655.21x = 1,276,426,249.08
  5. Step 5: Solve for x
    x = 1,276,426,249.08/40,655.21
  6. Step 6: Final answer
    x = 31,396.38

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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.