Home / 30,150.90-45,006.72-27,927.45

Finding the Fourth Proportional to 30,150.90, 45,006.72 and 27,927.45

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Solution

The fourth proportional to 30,150.90, 45,006.72 and 27,927.45 is: 41,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.90 : 45,006.72 = 27,927.45 : x
  2. Step 2: Convert to fraction form
    30,150.90/45,006.72 = 27,927.45/x
  3. Step 3: Cross multiply
    30,150.90x = 45,006.72 × 27,927.45
  4. Step 4: Simplify right side
    30,150.90x = 1,256,922,922.46
  5. Step 5: Solve for x
    x = 1,256,922,922.46/30,150.90
  6. Step 6: Final answer
    x = 41,687.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.