Home / 30,419.94-45,632.31-10,702.92

Finding the Fourth Proportional to 30,419.94, 45,632.31 and 10,702.92

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Solution

The fourth proportional to 30,419.94, 45,632.31 and 10,702.92 is: 16,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.94 : 45,632.31 = 10,702.92 : x
  2. Step 2: Convert to fraction form
    30,419.94/45,632.31 = 10,702.92/x
  3. Step 3: Cross multiply
    30,419.94x = 45,632.31 × 10,702.92
  4. Step 4: Simplify right side
    30,419.94x = 488,398,963.35
  5. Step 5: Solve for x
    x = 488,398,963.35/30,419.94
  6. Step 6: Final answer
    x = 16,055.22

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1.5x scale

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.