Home / 30,253.84-45,349.80-10,516.20

Finding the Fourth Proportional to 30,253.84, 45,349.80 and 10,516.20

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Solution

The fourth proportional to 30,253.84, 45,349.80 and 10,516.20 is: 15,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.84 : 45,349.80 = 10,516.20 : x
  2. Step 2: Convert to fraction form
    30,253.84/45,349.80 = 10,516.20/x
  3. Step 3: Cross multiply
    30,253.84x = 45,349.80 × 10,516.20
  4. Step 4: Simplify right side
    30,253.84x = 476,907,566.76
  5. Step 5: Solve for x
    x = 476,907,566.76/30,253.84
  6. Step 6: Final answer
    x = 15,763.54

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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.