Home / 53,890.20-74,364.96-30,017.88

Finding the Fourth Proportional to 53,890.20, 74,364.96 and 30,017.88

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Solution

The fourth proportional to 53,890.20, 74,364.96 and 30,017.88 is: 41,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.20 : 74,364.96 = 30,017.88 : x
  2. Step 2: Convert to fraction form
    53,890.20/74,364.96 = 30,017.88/x
  3. Step 3: Cross multiply
    53,890.20x = 74,364.96 × 30,017.88
  4. Step 4: Simplify right side
    53,890.20x = 2,232,278,445.48
  5. Step 5: Solve for x
    x = 2,232,278,445.48/53,890.20
  6. Step 6: Final answer
    x = 41,422.72

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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.