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Finding the Fourth Proportional to 53,165.88, 73,368.94 and 29,292.48

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Solution

The fourth proportional to 53,165.88, 73,368.94 and 29,292.48 is: 40,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.88 : 73,368.94 = 29,292.48 : x
  2. Step 2: Convert to fraction form
    53,165.88/73,368.94 = 29,292.48/x
  3. Step 3: Cross multiply
    53,165.88x = 73,368.94 × 29,292.48
  4. Step 4: Simplify right side
    53,165.88x = 2,149,158,207.57
  5. Step 5: Solve for x
    x = 2,149,158,207.57/53,165.88
  6. Step 6: Final answer
    x = 40,423.64

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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.