Home / 40,837.90-56,355.64-22,688.23

Finding the Fourth Proportional to 40,837.90, 56,355.64 and 22,688.23

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Solution

The fourth proportional to 40,837.90, 56,355.64 and 22,688.23 is: 31,309.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,837.90 : 56,355.64 = 22,688.23 : x
  2. Step 2: Convert to fraction form
    40,837.90/56,355.64 = 22,688.23/x
  3. Step 3: Cross multiply
    40,837.90x = 56,355.64 × 22,688.23
  4. Step 4: Simplify right side
    40,837.90x = 1,278,609,722.12
  5. Step 5: Solve for x
    x = 1,278,609,722.12/40,837.90
  6. Step 6: Final answer
    x = 31,309.39

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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.