Home / 53,879.04-74,345.76-30,000.96

Finding the Fourth Proportional to 53,879.04, 74,345.76 and 30,000.96

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Solution

The fourth proportional to 53,879.04, 74,345.76 and 30,000.96 is: 41,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879.04 : 74,345.76 = 30,000.96 : x
  2. Step 2: Convert to fraction form
    53,879.04/74,345.76 = 30,000.96/x
  3. Step 3: Cross multiply
    53,879.04x = 74,345.76 × 30,000.96
  4. Step 4: Simplify right side
    53,879.04x = 2,230,444,171.93
  5. Step 5: Solve for x
    x = 2,230,444,171.93/53,879.04
  6. Step 6: Final answer
    x = 41,397.25

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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.