Home / 54,085.32-74,632.39-30,211.48

Finding the Fourth Proportional to 54,085.32, 74,632.39 and 30,211.48

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Solution

The fourth proportional to 54,085.32, 74,632.39 and 30,211.48 is: 41,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.32 : 74,632.39 = 30,211.48 : x
  2. Step 2: Convert to fraction form
    54,085.32/74,632.39 = 30,211.48/x
  3. Step 3: Cross multiply
    54,085.32x = 74,632.39 × 30,211.48
  4. Step 4: Simplify right side
    54,085.32x = 2,254,754,975.60
  5. Step 5: Solve for x
    x = 2,254,754,975.60/54,085.32
  6. Step 6: Final answer
    x = 41,688.85

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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.