Home / 32,783.05-45,240.53-18,442.88

Finding the Fourth Proportional to 32,783.05, 45,240.53 and 18,442.88

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Solution

The fourth proportional to 32,783.05, 45,240.53 and 18,442.88 is: 25,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.05 : 45,240.53 = 18,442.88 : x
  2. Step 2: Convert to fraction form
    32,783.05/45,240.53 = 18,442.88/x
  3. Step 3: Cross multiply
    32,783.05x = 45,240.53 × 18,442.88
  4. Step 4: Simplify right side
    32,783.05x = 834,365,825.13
  5. Step 5: Solve for x
    x = 834,365,825.13/32,783.05
  6. Step 6: Final answer
    x = 25,451.14

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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.