Home / 53,963.20-74,467.76-31,300.76

Finding the Fourth Proportional to 53,963.20, 74,467.76 and 31,300.76

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Solution

The fourth proportional to 53,963.20, 74,467.76 and 31,300.76 is: 43,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,963.20 : 74,467.76 = 31,300.76 : x
  2. Step 2: Convert to fraction form
    53,963.20/74,467.76 = 31,300.76/x
  3. Step 3: Cross multiply
    53,963.20x = 74,467.76 × 31,300.76
  4. Step 4: Simplify right side
    53,963.20x = 2,330,897,483.50
  5. Step 5: Solve for x
    x = 2,330,897,483.50/53,963.20
  6. Step 6: Final answer
    x = 43,194.20

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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.