Home / 53,763.98-74,186.17-30,790.23

Finding the Fourth Proportional to 53,763.98, 74,186.17 and 30,790.23

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Solution

The fourth proportional to 53,763.98, 74,186.17 and 30,790.23 is: 42,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,763.98 : 74,186.17 = 30,790.23 : x
  2. Step 2: Convert to fraction form
    53,763.98/74,186.17 = 30,790.23/x
  3. Step 3: Cross multiply
    53,763.98x = 74,186.17 × 30,790.23
  4. Step 4: Simplify right side
    53,763.98x = 2,284,209,160.14
  5. Step 5: Solve for x
    x = 2,284,209,160.14/53,763.98
  6. Step 6: Final answer
    x = 42,485.86

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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.