Home / 109,033.72-163,572.55-38,911.21

Finding the Fourth Proportional to 109,033.72, 163,572.55 and 38,911.21

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Solution

The fourth proportional to 109,033.72, 163,572.55 and 38,911.21 is: 58,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,033.72 : 163,572.55 = 38,911.21 : x
  2. Step 2: Convert to fraction form
    109,033.72/163,572.55 = 38,911.21/x
  3. Step 3: Cross multiply
    109,033.72x = 163,572.55 × 38,911.21
  4. Step 4: Simplify right side
    109,033.72x = 6,364,805,337.08
  5. Step 5: Solve for x
    x = 6,364,805,337.08/109,033.72
  6. Step 6: Final answer
    x = 58,374.65

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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.