Home / 53,859.60-74,329.19-29,985.75

Finding the Fourth Proportional to 53,859.60, 74,329.19 and 29,985.75

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Solution

The fourth proportional to 53,859.60, 74,329.19 and 29,985.75 is: 41,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.60 : 74,329.19 = 29,985.75 : x
  2. Step 2: Convert to fraction form
    53,859.60/74,329.19 = 29,985.75/x
  3. Step 3: Cross multiply
    53,859.60x = 74,329.19 × 29,985.75
  4. Step 4: Simplify right side
    53,859.60x = 2,228,816,509.04
  5. Step 5: Solve for x
    x = 2,228,816,509.04/53,859.60
  6. Step 6: Final answer
    x = 41,381.97

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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.