Home / 30,243.04-45,349.44-10,516.30

Finding the Fourth Proportional to 30,243.04, 45,349.44 and 10,516.30

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Solution

The fourth proportional to 30,243.04, 45,349.44 and 10,516.30 is: 15,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.04 : 45,349.44 = 10,516.30 : x
  2. Step 2: Convert to fraction form
    30,243.04/45,349.44 = 10,516.30/x
  3. Step 3: Cross multiply
    30,243.04x = 45,349.44 × 10,516.30
  4. Step 4: Simplify right side
    30,243.04x = 476,908,315.87
  5. Step 5: Solve for x
    x = 476,908,315.87/30,243.04
  6. Step 6: Final answer
    x = 15,769.19

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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.