Home / 40,920.57-56,472.03-23,015.52

Finding the Fourth Proportional to 40,920.57, 56,472.03 and 23,015.52

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Solution

The fourth proportional to 40,920.57, 56,472.03 and 23,015.52 is: 31,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,920.57 : 56,472.03 = 23,015.52 : x
  2. Step 2: Convert to fraction form
    40,920.57/56,472.03 = 23,015.52/x
  3. Step 3: Cross multiply
    40,920.57x = 56,472.03 × 23,015.52
  4. Step 4: Simplify right side
    40,920.57x = 1,299,733,135.91
  5. Step 5: Solve for x
    x = 1,299,733,135.91/40,920.57
  6. Step 6: Final answer
    x = 31,762.34

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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.