Home / 30,027.06-45,029.79-10,300.50

Finding the Fourth Proportional to 30,027.06, 45,029.79 and 10,300.50

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Solution

The fourth proportional to 30,027.06, 45,029.79 and 10,300.50 is: 15,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.06 : 45,029.79 = 10,300.50 : x
  2. Step 2: Convert to fraction form
    30,027.06/45,029.79 = 10,300.50/x
  3. Step 3: Cross multiply
    30,027.06x = 45,029.79 × 10,300.50
  4. Step 4: Simplify right side
    30,027.06x = 463,829,351.90
  5. Step 5: Solve for x
    x = 463,829,351.90/30,027.06
  6. Step 6: Final answer
    x = 15,447.05

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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.