Home / 60,239.72-90,360.30-28,653.14

Finding the Fourth Proportional to 60,239.72, 90,360.30 and 28,653.14

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Solution

The fourth proportional to 60,239.72, 90,360.30 and 28,653.14 is: 42,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,239.72 : 90,360.30 = 28,653.14 : x
  2. Step 2: Convert to fraction form
    60,239.72/90,360.30 = 28,653.14/x
  3. Step 3: Cross multiply
    60,239.72x = 90,360.30 × 28,653.14
  4. Step 4: Simplify right side
    60,239.72x = 2,589,106,326.34
  5. Step 5: Solve for x
    x = 2,589,106,326.34/60,239.72
  6. Step 6: Final answer
    x = 42,980.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.