Home / 30,167.54-45,214.40-21,876.08

Finding the Fourth Proportional to 30,167.54, 45,214.40 and 21,876.08

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Solution

The fourth proportional to 30,167.54, 45,214.40 and 21,876.08 is: 32,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.54 : 45,214.40 = 21,876.08 : x
  2. Step 2: Convert to fraction form
    30,167.54/45,214.40 = 21,876.08/x
  3. Step 3: Cross multiply
    30,167.54x = 45,214.40 × 21,876.08
  4. Step 4: Simplify right side
    30,167.54x = 989,113,660.17
  5. Step 5: Solve for x
    x = 989,113,660.17/30,167.54
  6. Step 6: Final answer
    x = 32,787.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.