Home / 45,294.78-67,953.92-17,215.32

Finding the Fourth Proportional to 45,294.78, 67,953.92 and 17,215.32

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Solution

The fourth proportional to 45,294.78, 67,953.92 and 17,215.32 is: 25,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294.78 : 67,953.92 = 17,215.32 : x
  2. Step 2: Convert to fraction form
    45,294.78/67,953.92 = 17,215.32/x
  3. Step 3: Cross multiply
    45,294.78x = 67,953.92 × 17,215.32
  4. Step 4: Simplify right side
    45,294.78x = 1,169,848,478.05
  5. Step 5: Solve for x
    x = 1,169,848,478.05/45,294.78
  6. Step 6: Final answer
    x = 25,827.45

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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.