Home / 30,025.65-45,039.39-10,303.92

Finding the Fourth Proportional to 30,025.65, 45,039.39 and 10,303.92

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Solution

The fourth proportional to 30,025.65, 45,039.39 and 10,303.92 is: 15,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.65 : 45,039.39 = 10,303.92 : x
  2. Step 2: Convert to fraction form
    30,025.65/45,039.39 = 10,303.92/x
  3. Step 3: Cross multiply
    30,025.65x = 45,039.39 × 10,303.92
  4. Step 4: Simplify right side
    30,025.65x = 464,082,271.41
  5. Step 5: Solve for x
    x = 464,082,271.41/30,025.65
  6. Step 6: Final answer
    x = 15,456.19

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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.