Home / 35,394.31-48,844.38-19,478.35

Finding the Fourth Proportional to 35,394.31, 48,844.38 and 19,478.35

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Solution

The fourth proportional to 35,394.31, 48,844.38 and 19,478.35 is: 26,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,394.31 : 48,844.38 = 19,478.35 : x
  2. Step 2: Convert to fraction form
    35,394.31/48,844.38 = 19,478.35/x
  3. Step 3: Cross multiply
    35,394.31x = 48,844.38 × 19,478.35
  4. Step 4: Simplify right side
    35,394.31x = 951,407,929.17
  5. Step 5: Solve for x
    x = 951,407,929.17/35,394.31
  6. Step 6: Final answer
    x = 26,880.25

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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.