Home / 55,598.85-76,722.42-31,392.36

Finding the Fourth Proportional to 55,598.85, 76,722.42 and 31,392.36

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Solution

The fourth proportional to 55,598.85, 76,722.42 and 31,392.36 is: 43,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,598.85 : 76,722.42 = 31,392.36 : x
  2. Step 2: Convert to fraction form
    55,598.85/76,722.42 = 31,392.36/x
  3. Step 3: Cross multiply
    55,598.85x = 76,722.42 × 31,392.36
  4. Step 4: Simplify right side
    55,598.85x = 2,408,497,445.10
  5. Step 5: Solve for x
    x = 2,408,497,445.10/55,598.85
  6. Step 6: Final answer
    x = 43,319.20

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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.