Home / 53,365.11-73,646.70-30,707.55

Finding the Fourth Proportional to 53,365.11, 73,646.70 and 30,707.55

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Solution

The fourth proportional to 53,365.11, 73,646.70 and 30,707.55 is: 42,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,365.11 : 73,646.70 = 30,707.55 : x
  2. Step 2: Convert to fraction form
    53,365.11/73,646.70 = 30,707.55/x
  3. Step 3: Cross multiply
    53,365.11x = 73,646.70 × 30,707.55
  4. Step 4: Simplify right side
    53,365.11x = 2,261,509,722.59
  5. Step 5: Solve for x
    x = 2,261,509,722.59/53,365.11
  6. Step 6: Final answer
    x = 42,378.06

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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.