Home / 30,334.43-45,728.82-28,302.35

Finding the Fourth Proportional to 30,334.43, 45,728.82 and 28,302.35

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Solution

The fourth proportional to 30,334.43, 45,728.82 and 28,302.35 is: 42,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.43 : 45,728.82 = 28,302.35 : x
  2. Step 2: Convert to fraction form
    30,334.43/45,728.82 = 28,302.35/x
  3. Step 3: Cross multiply
    30,334.43x = 45,728.82 × 28,302.35
  4. Step 4: Simplify right side
    30,334.43x = 1,294,232,840.08
  5. Step 5: Solve for x
    x = 1,294,232,840.08/30,334.43
  6. Step 6: Final answer
    x = 42,665.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.