Home / 51,730.96-77,582.28-14,282.08

Finding the Fourth Proportional to 51,730.96, 77,582.28 and 14,282.08

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Solution

The fourth proportional to 51,730.96, 77,582.28 and 14,282.08 is: 21,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,730.96 : 77,582.28 = 14,282.08 : x
  2. Step 2: Convert to fraction form
    51,730.96/77,582.28 = 14,282.08/x
  3. Step 3: Cross multiply
    51,730.96x = 77,582.28 × 14,282.08
  4. Step 4: Simplify right side
    51,730.96x = 1,108,036,329.54
  5. Step 5: Solve for x
    x = 1,108,036,329.54/51,730.96
  6. Step 6: Final answer
    x = 21,419.21

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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.