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Finding the Fourth Proportional to 53,335.70, 73,601.84 and 29,461.86

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Solution

The fourth proportional to 53,335.70, 73,601.84 and 29,461.86 is: 40,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,335.70 : 73,601.84 = 29,461.86 : x
  2. Step 2: Convert to fraction form
    53,335.70/73,601.84 = 29,461.86/x
  3. Step 3: Cross multiply
    53,335.70x = 73,601.84 × 29,461.86
  4. Step 4: Simplify right side
    53,335.70x = 2,168,447,105.82
  5. Step 5: Solve for x
    x = 2,168,447,105.82/53,335.70
  6. Step 6: Final answer
    x = 40,656.58

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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.