Home / 40,387.83-55,740.44-23,166.91

Finding the Fourth Proportional to 40,387.83, 55,740.44 and 23,166.91

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Solution

The fourth proportional to 40,387.83, 55,740.44 and 23,166.91 is: 31,973.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.83 : 55,740.44 = 23,166.91 : x
  2. Step 2: Convert to fraction form
    40,387.83/55,740.44 = 23,166.91/x
  3. Step 3: Cross multiply
    40,387.83x = 55,740.44 × 23,166.91
  4. Step 4: Simplify right side
    40,387.83x = 1,291,333,756.84
  5. Step 5: Solve for x
    x = 1,291,333,756.84/40,387.83
  6. Step 6: Final answer
    x = 31,973.34

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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.