Home / 40,689.21-56,148.34-22,539.31

Finding the Fourth Proportional to 40,689.21, 56,148.34 and 22,539.31

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Solution

The fourth proportional to 40,689.21, 56,148.34 and 22,539.31 is: 31,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.21 : 56,148.34 = 22,539.31 : x
  2. Step 2: Convert to fraction form
    40,689.21/56,148.34 = 22,539.31/x
  3. Step 3: Cross multiply
    40,689.21x = 56,148.34 × 22,539.31
  4. Step 4: Simplify right side
    40,689.21x = 1,265,545,002.62
  5. Step 5: Solve for x
    x = 1,265,545,002.62/40,689.21
  6. Step 6: Final answer
    x = 31,102.72

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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.