Home / 32,771.40-45,223.18-18,430.84

Finding the Fourth Proportional to 32,771.40, 45,223.18 and 18,430.84

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Solution

The fourth proportional to 32,771.40, 45,223.18 and 18,430.84 is: 25,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,771.40 : 45,223.18 = 18,430.84 : x
  2. Step 2: Convert to fraction form
    32,771.40/45,223.18 = 18,430.84/x
  3. Step 3: Cross multiply
    32,771.40x = 45,223.18 × 18,430.84
  4. Step 4: Simplify right side
    32,771.40x = 833,501,194.87
  5. Step 5: Solve for x
    x = 833,501,194.87/32,771.40
  6. Step 6: Final answer
    x = 25,433.80

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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.