Home / 35,485.49-53,219.16-10,519.71

Finding the Fourth Proportional to 35,485.49, 53,219.16 and 10,519.71

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Solution

The fourth proportional to 35,485.49, 53,219.16 and 10,519.71 is: 15,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,485.49 : 53,219.16 = 10,519.71 : x
  2. Step 2: Convert to fraction form
    35,485.49/53,219.16 = 10,519.71/x
  3. Step 3: Cross multiply
    35,485.49x = 53,219.16 × 10,519.71
  4. Step 4: Simplify right side
    35,485.49x = 559,849,810.95
  5. Step 5: Solve for x
    x = 559,849,810.95/35,485.49
  6. Step 6: Final answer
    x = 15,776.87

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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.