Home / 51,567.84-77,283.72-20,386.08

Finding the Fourth Proportional to 51,567.84, 77,283.72 and 20,386.08

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Solution

The fourth proportional to 51,567.84, 77,283.72 and 20,386.08 is: 30,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,567.84 : 77,283.72 = 20,386.08 : x
  2. Step 2: Convert to fraction form
    51,567.84/77,283.72 = 20,386.08/x
  3. Step 3: Cross multiply
    51,567.84x = 77,283.72 × 20,386.08
  4. Step 4: Simplify right side
    51,567.84x = 1,575,512,098.62
  5. Step 5: Solve for x
    x = 1,575,512,098.62/51,567.84
  6. Step 6: Final answer
    x = 30,552.22

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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.