Home / 40,247.51-55,522.26-28,317.42

Finding the Fourth Proportional to 40,247.51, 55,522.26 and 28,317.42

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Solution

The fourth proportional to 40,247.51, 55,522.26 and 28,317.42 is: 39,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,247.51 : 55,522.26 = 28,317.42 : x
  2. Step 2: Convert to fraction form
    40,247.51/55,522.26 = 28,317.42/x
  3. Step 3: Cross multiply
    40,247.51x = 55,522.26 × 28,317.42
  4. Step 4: Simplify right side
    40,247.51x = 1,572,247,155.77
  5. Step 5: Solve for x
    x = 1,572,247,155.77/40,247.51
  6. Step 6: Final answer
    x = 39,064.46

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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.