Home / 30,802.72-46,118.22-20,240.32

Finding the Fourth Proportional to 30,802.72, 46,118.22 and 20,240.32

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Solution

The fourth proportional to 30,802.72, 46,118.22 and 20,240.32 is: 30,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.72 : 46,118.22 = 20,240.32 : x
  2. Step 2: Convert to fraction form
    30,802.72/46,118.22 = 20,240.32/x
  3. Step 3: Cross multiply
    30,802.72x = 46,118.22 × 20,240.32
  4. Step 4: Simplify right side
    30,802.72x = 933,447,530.63
  5. Step 5: Solve for x
    x = 933,447,530.63/30,802.72
  6. Step 6: Final answer
    x = 30,304.06

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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.