Home / 53,059.47-73,212.30-31,556.40

Finding the Fourth Proportional to 53,059.47, 73,212.30 and 31,556.40

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Solution

The fourth proportional to 53,059.47, 73,212.30 and 31,556.40 is: 43,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,059.47 : 73,212.30 = 31,556.40 : x
  2. Step 2: Convert to fraction form
    53,059.47/73,212.30 = 31,556.40/x
  3. Step 3: Cross multiply
    53,059.47x = 73,212.30 × 31,556.40
  4. Step 4: Simplify right side
    53,059.47x = 2,310,316,623.72
  5. Step 5: Solve for x
    x = 2,310,316,623.72/53,059.47
  6. Step 6: Final answer
    x = 43,542.02

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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.