Home / 53,738.20-74,158.18-29,864.40

Finding the Fourth Proportional to 53,738.20, 74,158.18 and 29,864.40

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Solution

The fourth proportional to 53,738.20, 74,158.18 and 29,864.40 is: 41,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.20 : 74,158.18 = 29,864.40 : x
  2. Step 2: Convert to fraction form
    53,738.20/74,158.18 = 29,864.40/x
  3. Step 3: Cross multiply
    53,738.20x = 74,158.18 × 29,864.40
  4. Step 4: Simplify right side
    53,738.20x = 2,214,689,366.03
  5. Step 5: Solve for x
    x = 2,214,689,366.03/53,738.20
  6. Step 6: Final answer
    x = 41,212.57

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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.