Home / 61,547.36-92,324.72-19,428.80

Finding the Fourth Proportional to 61,547.36, 92,324.72 and 19,428.80

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Solution

The fourth proportional to 61,547.36, 92,324.72 and 19,428.80 is: 29,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,547.36 : 92,324.72 = 19,428.80 : x
  2. Step 2: Convert to fraction form
    61,547.36/92,324.72 = 19,428.80/x
  3. Step 3: Cross multiply
    61,547.36x = 92,324.72 × 19,428.80
  4. Step 4: Simplify right side
    61,547.36x = 1,793,758,519.94
  5. Step 5: Solve for x
    x = 1,793,758,519.94/61,547.36
  6. Step 6: Final answer
    x = 29,144.36

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1.5x scale

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.