Home / 53,713.60-80,439.17-46,365.28

Finding the Fourth Proportional to 53,713.60, 80,439.17 and 46,365.28

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Solution

The fourth proportional to 53,713.60, 80,439.17 and 46,365.28 is: 69,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,713.60 : 80,439.17 = 46,365.28 : x
  2. Step 2: Convert to fraction form
    53,713.60/80,439.17 = 46,365.28/x
  3. Step 3: Cross multiply
    53,713.60x = 80,439.17 × 46,365.28
  4. Step 4: Simplify right side
    53,713.60x = 3,729,584,237.82
  5. Step 5: Solve for x
    x = 3,729,584,237.82/53,713.60
  6. Step 6: Final answer
    x = 69,434.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.