Home / 53,999.38-74,521.45-30,126.05

Finding the Fourth Proportional to 53,999.38, 74,521.45 and 30,126.05

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Solution

The fourth proportional to 53,999.38, 74,521.45 and 30,126.05 is: 41,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.38 : 74,521.45 = 30,126.05 : x
  2. Step 2: Convert to fraction form
    53,999.38/74,521.45 = 30,126.05/x
  3. Step 3: Cross multiply
    53,999.38x = 74,521.45 × 30,126.05
  4. Step 4: Simplify right side
    53,999.38x = 2,245,036,928.77
  5. Step 5: Solve for x
    x = 2,245,036,928.77/53,999.38
  6. Step 6: Final answer
    x = 41,575.24

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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.