Home / 54,085.86-74,638.80-30,214.62

Finding the Fourth Proportional to 54,085.86, 74,638.80 and 30,214.62

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Solution

The fourth proportional to 54,085.86, 74,638.80 and 30,214.62 is: 41,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.86 : 74,638.80 = 30,214.62 : x
  2. Step 2: Convert to fraction form
    54,085.86/74,638.80 = 30,214.62/x
  3. Step 3: Cross multiply
    54,085.86x = 74,638.80 × 30,214.62
  4. Step 4: Simplify right side
    54,085.86x = 2,255,182,979.26
  5. Step 5: Solve for x
    x = 2,255,182,979.26/54,085.86
  6. Step 6: Final answer
    x = 41,696.35

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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.