Home / 53,365.95-73,640.88-30,706.20

Finding the Fourth Proportional to 53,365.95, 73,640.88 and 30,706.20

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Solution

The fourth proportional to 53,365.95, 73,640.88 and 30,706.20 is: 42,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,365.95 : 73,640.88 = 30,706.20 : x
  2. Step 2: Convert to fraction form
    53,365.95/73,640.88 = 30,706.20/x
  3. Step 3: Cross multiply
    53,365.95x = 73,640.88 × 30,706.20
  4. Step 4: Simplify right side
    53,365.95x = 2,261,231,589.46
  5. Step 5: Solve for x
    x = 2,261,231,589.46/53,365.95
  6. Step 6: Final answer
    x = 42,372.18

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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.