Home / 53,159.48-73,327.63-31,634.78

Finding the Fourth Proportional to 53,159.48, 73,327.63 and 31,634.78

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Solution

The fourth proportional to 53,159.48, 73,327.63 and 31,634.78 is: 43,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.48 : 73,327.63 = 31,634.78 : x
  2. Step 2: Convert to fraction form
    53,159.48/73,327.63 = 31,634.78/x
  3. Step 3: Cross multiply
    53,159.48x = 73,327.63 × 31,634.78
  4. Step 4: Simplify right side
    53,159.48x = 2,319,703,826.92
  5. Step 5: Solve for x
    x = 2,319,703,826.92/53,159.48
  6. Step 6: Final answer
    x = 43,636.69

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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.