Home / 40,645.52-56,090.75-22,740.51

Finding the Fourth Proportional to 40,645.52, 56,090.75 and 22,740.51

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Solution

The fourth proportional to 40,645.52, 56,090.75 and 22,740.51 is: 31,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.52 : 56,090.75 = 22,740.51 : x
  2. Step 2: Convert to fraction form
    40,645.52/56,090.75 = 22,740.51/x
  3. Step 3: Cross multiply
    40,645.52x = 56,090.75 × 22,740.51
  4. Step 4: Simplify right side
    40,645.52x = 1,275,532,261.28
  5. Step 5: Solve for x
    x = 1,275,532,261.28/40,645.52
  6. Step 6: Final answer
    x = 31,381.87

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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.