Home / 52,892.30-72,990.93-28,693.19

Finding the Fourth Proportional to 52,892.30, 72,990.93 and 28,693.19

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Solution

The fourth proportional to 52,892.30, 72,990.93 and 28,693.19 is: 39,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,892.30 : 72,990.93 = 28,693.19 : x
  2. Step 2: Convert to fraction form
    52,892.30/72,990.93 = 28,693.19/x
  3. Step 3: Cross multiply
    52,892.30x = 72,990.93 × 28,693.19
  4. Step 4: Simplify right side
    52,892.30x = 2,094,342,257.81
  5. Step 5: Solve for x
    x = 2,094,342,257.81/52,892.30
  6. Step 6: Final answer
    x = 39,596.36

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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.