Home / 32,639.78-45,040.45-18,492.32

Finding the Fourth Proportional to 32,639.78, 45,040.45 and 18,492.32

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Solution

The fourth proportional to 32,639.78, 45,040.45 and 18,492.32 is: 25,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.78 : 45,040.45 = 18,492.32 : x
  2. Step 2: Convert to fraction form
    32,639.78/45,040.45 = 18,492.32/x
  3. Step 3: Cross multiply
    32,639.78x = 45,040.45 × 18,492.32
  4. Step 4: Simplify right side
    32,639.78x = 832,902,414.34
  5. Step 5: Solve for x
    x = 832,902,414.34/32,639.78
  6. Step 6: Final answer
    x = 25,518.02

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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.