Home / 30,027.12-45,038.84-8,967.22

Finding the Fourth Proportional to 30,027.12, 45,038.84 and 8,967.22

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Solution

The fourth proportional to 30,027.12, 45,038.84 and 8,967.22 is: 13,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.12 : 45,038.84 = 8,967.22 : x
  2. Step 2: Convert to fraction form
    30,027.12/45,038.84 = 8,967.22/x
  3. Step 3: Cross multiply
    30,027.12x = 45,038.84 × 8,967.22
  4. Step 4: Simplify right side
    30,027.12x = 403,873,186.82
  5. Step 5: Solve for x
    x = 403,873,186.82/30,027.12
  6. Step 6: Final answer
    x = 13,450.28

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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.