Home / 53,615.76-79,988.42-50,712.72

Finding the Fourth Proportional to 53,615.76, 79,988.42 and 50,712.72

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Solution

The fourth proportional to 53,615.76, 79,988.42 and 50,712.72 is: 75,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,615.76 : 79,988.42 = 50,712.72 : x
  2. Step 2: Convert to fraction form
    53,615.76/79,988.42 = 50,712.72/x
  3. Step 3: Cross multiply
    53,615.76x = 79,988.42 × 50,712.72
  4. Step 4: Simplify right side
    53,615.76x = 4,056,430,346.70
  5. Step 5: Solve for x
    x = 4,056,430,346.70/53,615.76
  6. Step 6: Final answer
    x = 75,657.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.