Home / 30,047.03-45,071.67-8,987.35

Finding the Fourth Proportional to 30,047.03, 45,071.67 and 8,987.35

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Solution

The fourth proportional to 30,047.03, 45,071.67 and 8,987.35 is: 13,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.03 : 45,071.67 = 8,987.35 : x
  2. Step 2: Convert to fraction form
    30,047.03/45,071.67 = 8,987.35/x
  3. Step 3: Cross multiply
    30,047.03x = 45,071.67 × 8,987.35
  4. Step 4: Simplify right side
    30,047.03x = 405,074,648.02
  5. Step 5: Solve for x
    x = 405,074,648.02/30,047.03
  6. Step 6: Final answer
    x = 13,481.35

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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.