Home / 53,372.70-73,650.20-30,712.95

Finding the Fourth Proportional to 53,372.70, 73,650.20 and 30,712.95

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Solution

The fourth proportional to 53,372.70, 73,650.20 and 30,712.95 is: 42,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,372.70 : 73,650.20 = 30,712.95 : x
  2. Step 2: Convert to fraction form
    53,372.70/73,650.20 = 30,712.95/x
  3. Step 3: Cross multiply
    53,372.70x = 73,650.20 × 30,712.95
  4. Step 4: Simplify right side
    53,372.70x = 2,262,014,756.53
  5. Step 5: Solve for x
    x = 2,262,014,756.53/53,372.70
  6. Step 6: Final answer
    x = 42,381.49

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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.