Home / 51,929.20-77,807.40-25,577.20

Finding the Fourth Proportional to 51,929.20, 77,807.40 and 25,577.20

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Solution

The fourth proportional to 51,929.20, 77,807.40 and 25,577.20 is: 38,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929.20 : 77,807.40 = 25,577.20 : x
  2. Step 2: Convert to fraction form
    51,929.20/77,807.40 = 25,577.20/x
  3. Step 3: Cross multiply
    51,929.20x = 77,807.40 × 25,577.20
  4. Step 4: Simplify right side
    51,929.20x = 1,990,095,431.28
  5. Step 5: Solve for x
    x = 1,990,095,431.28/51,929.20
  6. Step 6: Final answer
    x = 38,323.24

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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.