Home / 61,547.40-92,324.70-19,428.78

Finding the Fourth Proportional to 61,547.40, 92,324.70 and 19,428.78

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Solution

The fourth proportional to 61,547.40, 92,324.70 and 19,428.78 is: 29,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,547.40 : 92,324.70 = 19,428.78 : x
  2. Step 2: Convert to fraction form
    61,547.40/92,324.70 = 19,428.78/x
  3. Step 3: Cross multiply
    61,547.40x = 92,324.70 × 19,428.78
  4. Step 4: Simplify right side
    61,547.40x = 1,793,756,284.87
  5. Step 5: Solve for x
    x = 1,793,756,284.87/61,547.40
  6. Step 6: Final answer
    x = 29,144.31

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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.