Home / 51,414.96-70,954.32-28,445.08

Finding the Fourth Proportional to 51,414.96, 70,954.32 and 28,445.08

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Solution

The fourth proportional to 51,414.96, 70,954.32 and 28,445.08 is: 39,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.96 : 70,954.32 = 28,445.08 : x
  2. Step 2: Convert to fraction form
    51,414.96/70,954.32 = 28,445.08/x
  3. Step 3: Cross multiply
    51,414.96x = 70,954.32 × 28,445.08
  4. Step 4: Simplify right side
    51,414.96x = 2,018,301,308.75
  5. Step 5: Solve for x
    x = 2,018,301,308.75/51,414.96
  6. Step 6: Final answer
    x = 39,255.14

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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.