Home / 40,658.23-56,109.12-22,755.21

Finding the Fourth Proportional to 40,658.23, 56,109.12 and 22,755.21

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Solution

The fourth proportional to 40,658.23, 56,109.12 and 22,755.21 is: 31,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,658.23 : 56,109.12 = 22,755.21 : x
  2. Step 2: Convert to fraction form
    40,658.23/56,109.12 = 22,755.21/x
  3. Step 3: Cross multiply
    40,658.23x = 56,109.12 × 22,755.21
  4. Step 4: Simplify right side
    40,658.23x = 1,276,774,808.52
  5. Step 5: Solve for x
    x = 1,276,774,808.52/40,658.23
  6. Step 6: Final answer
    x = 31,402.62

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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.