Home / 54,021.94-74,548.15-30,148.00

Finding the Fourth Proportional to 54,021.94, 74,548.15 and 30,148.00

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Solution

The fourth proportional to 54,021.94, 74,548.15 and 30,148.00 is: 41,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021.94 : 74,548.15 = 30,148.00 : x
  2. Step 2: Convert to fraction form
    54,021.94/74,548.15 = 30,148.00/x
  3. Step 3: Cross multiply
    54,021.94x = 74,548.15 × 30,148.00
  4. Step 4: Simplify right side
    54,021.94x = 2,247,477,364.46
  5. Step 5: Solve for x
    x = 2,247,477,364.46/54,021.94
  6. Step 6: Final answer
    x = 41,603.05

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1.5x scale

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.