Home / 30,055.82-45,081.56-13,417.34

Finding the Fourth Proportional to 30,055.82, 45,081.56 and 13,417.34

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Solution

The fourth proportional to 30,055.82, 45,081.56 and 13,417.34 is: 20,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.82 : 45,081.56 = 13,417.34 : x
  2. Step 2: Convert to fraction form
    30,055.82/45,081.56 = 13,417.34/x
  3. Step 3: Cross multiply
    30,055.82x = 45,081.56 × 13,417.34
  4. Step 4: Simplify right side
    30,055.82x = 604,874,618.25
  5. Step 5: Solve for x
    x = 604,874,618.25/30,055.82
  6. Step 6: Final answer
    x = 20,125.04

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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.