Home / 39,459,295.09-54,454,974.20-21,578,566.69

Finding the Fourth Proportional to 39,459,295.09, 54,454,974.20 and 21,578,566.69

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Solution

The fourth proportional to 39,459,295.09, 54,454,974.20 and 21,578,566.69 is: 29,779,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459,295.09 : 54,454,974.20 = 21,578,566.69 : x
  2. Step 2: Convert to fraction form
    39,459,295.09/54,454,974.20 = 21,578,566.69/x
  3. Step 3: Cross multiply
    39,459,295.09x = 54,454,974.20 × 21,578,566.69
  4. Step 4: Simplify right side
    39,459,295.09x = 1,175,060,292,376,929.50
  5. Step 5: Solve for x
    x = 1,175,060,292,376,929.50/39,459,295.09
  6. Step 6: Final answer
    x = 29,779,049.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.