Home / 53,894.30-74,376.42-30,020.98

Finding the Fourth Proportional to 53,894.30, 74,376.42 and 30,020.98

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Solution

The fourth proportional to 53,894.30, 74,376.42 and 30,020.98 is: 41,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.30 : 74,376.42 = 30,020.98 : x
  2. Step 2: Convert to fraction form
    53,894.30/74,376.42 = 30,020.98/x
  3. Step 3: Cross multiply
    53,894.30x = 74,376.42 × 30,020.98
  4. Step 4: Simplify right side
    53,894.30x = 2,232,853,017.29
  5. Step 5: Solve for x
    x = 2,232,853,017.29/53,894.30
  6. Step 6: Final answer
    x = 41,430.23

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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.