Home / 35,974.60-53,929.02-12,588.28

Finding the Fourth Proportional to 35,974.60, 53,929.02 and 12,588.28

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Solution

The fourth proportional to 35,974.60, 53,929.02 and 12,588.28 is: 18,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.60 : 53,929.02 = 12,588.28 : x
  2. Step 2: Convert to fraction form
    35,974.60/53,929.02 = 12,588.28/x
  3. Step 3: Cross multiply
    35,974.60x = 53,929.02 × 12,588.28
  4. Step 4: Simplify right side
    35,974.60x = 678,873,603.89
  5. Step 5: Solve for x
    x = 678,873,603.89/35,974.60
  6. Step 6: Final answer
    x = 18,870.91

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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.