Home / 40,884.75-56,421.36-22,978.89

Finding the Fourth Proportional to 40,884.75, 56,421.36 and 22,978.89

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Solution

The fourth proportional to 40,884.75, 56,421.36 and 22,978.89 is: 31,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,884.75 : 56,421.36 = 22,978.89 : x
  2. Step 2: Convert to fraction form
    40,884.75/56,421.36 = 22,978.89/x
  3. Step 3: Cross multiply
    40,884.75x = 56,421.36 × 22,978.89
  4. Step 4: Simplify right side
    40,884.75x = 1,296,500,225.09
  5. Step 5: Solve for x
    x = 1,296,500,225.09/40,884.75
  6. Step 6: Final answer
    x = 31,711.10

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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.