Home / 32,720.60-45,153.78-19,292.42

Finding the Fourth Proportional to 32,720.60, 45,153.78 and 19,292.42

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Solution

The fourth proportional to 32,720.60, 45,153.78 and 19,292.42 is: 26,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720.60 : 45,153.78 = 19,292.42 : x
  2. Step 2: Convert to fraction form
    32,720.60/45,153.78 = 19,292.42/x
  3. Step 3: Cross multiply
    32,720.60x = 45,153.78 × 19,292.42
  4. Step 4: Simplify right side
    32,720.60x = 871,125,688.35
  5. Step 5: Solve for x
    x = 871,125,688.35/32,720.60
  6. Step 6: Final answer
    x = 26,623.16

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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.