Home / 30,053.10-45,076.17-7,868.61

Finding the Fourth Proportional to 30,053.10, 45,076.17 and 7,868.61

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Solution

The fourth proportional to 30,053.10, 45,076.17 and 7,868.61 is: 11,802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.10 : 45,076.17 = 7,868.61 : x
  2. Step 2: Convert to fraction form
    30,053.10/45,076.17 = 7,868.61/x
  3. Step 3: Cross multiply
    30,053.10x = 45,076.17 × 7,868.61
  4. Step 4: Simplify right side
    30,053.10x = 354,686,802.02
  5. Step 5: Solve for x
    x = 354,686,802.02/30,053.10
  6. Step 6: Final answer
    x = 11,802.00

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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.