Home / 51,354.69-77,017.32-19,762.53

Finding the Fourth Proportional to 51,354.69, 77,017.32 and 19,762.53

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Solution

The fourth proportional to 51,354.69, 77,017.32 and 19,762.53 is: 29,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354.69 : 77,017.32 = 19,762.53 : x
  2. Step 2: Convert to fraction form
    51,354.69/77,017.32 = 19,762.53/x
  3. Step 3: Cross multiply
    51,354.69x = 77,017.32 × 19,762.53
  4. Step 4: Simplify right side
    51,354.69x = 1,522,057,097.02
  5. Step 5: Solve for x
    x = 1,522,057,097.02/51,354.69
  6. Step 6: Final answer
    x = 29,638.13

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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.