Home / 54,218.76-74,823.58-30,345.38

Finding the Fourth Proportional to 54,218.76, 74,823.58 and 30,345.38

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Solution

The fourth proportional to 54,218.76, 74,823.58 and 30,345.38 is: 41,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218.76 : 74,823.58 = 30,345.38 : x
  2. Step 2: Convert to fraction form
    54,218.76/74,823.58 = 30,345.38/x
  3. Step 3: Cross multiply
    54,218.76x = 74,823.58 × 30,345.38
  4. Step 4: Simplify right side
    54,218.76x = 2,270,549,968.06
  5. Step 5: Solve for x
    x = 2,270,549,968.06/54,218.76
  6. Step 6: Final answer
    x = 41,877.57

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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.