Home / 40,416.70-55,775.06-23,430.79

Finding the Fourth Proportional to 40,416.70, 55,775.06 and 23,430.79

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Solution

The fourth proportional to 40,416.70, 55,775.06 and 23,430.79 is: 32,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,416.70 : 55,775.06 = 23,430.79 : x
  2. Step 2: Convert to fraction form
    40,416.70/55,775.06 = 23,430.79/x
  3. Step 3: Cross multiply
    40,416.70x = 55,775.06 × 23,430.79
  4. Step 4: Simplify right side
    40,416.70x = 1,306,853,653.95
  5. Step 5: Solve for x
    x = 1,306,853,653.95/40,416.70
  6. Step 6: Final answer
    x = 32,334.50

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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.