Home / 30,025.14-45,040.86-10,305.30

Finding the Fourth Proportional to 30,025.14, 45,040.86 and 10,305.30

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Solution

The fourth proportional to 30,025.14, 45,040.86 and 10,305.30 is: 15,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.14 : 45,040.86 = 10,305.30 : x
  2. Step 2: Convert to fraction form
    30,025.14/45,040.86 = 10,305.30/x
  3. Step 3: Cross multiply
    30,025.14x = 45,040.86 × 10,305.30
  4. Step 4: Simplify right side
    30,025.14x = 464,159,574.56
  5. Step 5: Solve for x
    x = 464,159,574.56/30,025.14
  6. Step 6: Final answer
    x = 15,459.03

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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.