Home / 30,288.29-41,795.73-18,957.29

Finding the Fourth Proportional to 30,288.29, 41,795.73 and 18,957.29

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Solution

The fourth proportional to 30,288.29, 41,795.73 and 18,957.29 is: 26,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.29 : 41,795.73 = 18,957.29 : x
  2. Step 2: Convert to fraction form
    30,288.29/41,795.73 = 18,957.29/x
  3. Step 3: Cross multiply
    30,288.29x = 41,795.73 × 18,957.29
  4. Step 4: Simplify right side
    30,288.29x = 792,333,565.39
  5. Step 5: Solve for x
    x = 792,333,565.39/30,288.29
  6. Step 6: Final answer
    x = 26,159.74

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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.