Home / 30,233.62-45,365.79-13,590.30

Finding the Fourth Proportional to 30,233.62, 45,365.79 and 13,590.30

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Solution

The fourth proportional to 30,233.62, 45,365.79 and 13,590.30 is: 20,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.62 : 45,365.79 = 13,590.30 : x
  2. Step 2: Convert to fraction form
    30,233.62/45,365.79 = 13,590.30/x
  3. Step 3: Cross multiply
    30,233.62x = 45,365.79 × 13,590.30
  4. Step 4: Simplify right side
    30,233.62x = 616,534,695.84
  5. Step 5: Solve for x
    x = 616,534,695.84/30,233.62
  6. Step 6: Final answer
    x = 20,392.35

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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.