Home / 53,887.64-74,367.20-30,014.28

Finding the Fourth Proportional to 53,887.64, 74,367.20 and 30,014.28

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Solution

The fourth proportional to 53,887.64, 74,367.20 and 30,014.28 is: 41,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.64 : 74,367.20 = 30,014.28 : x
  2. Step 2: Convert to fraction form
    53,887.64/74,367.20 = 30,014.28/x
  3. Step 3: Cross multiply
    53,887.64x = 74,367.20 × 30,014.28
  4. Step 4: Simplify right side
    53,887.64x = 2,232,077,963.62
  5. Step 5: Solve for x
    x = 2,232,077,963.62/53,887.64
  6. Step 6: Final answer
    x = 41,420.96

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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.