Home / 35,387.65-53,069.28-14,322.43

Finding the Fourth Proportional to 35,387.65, 53,069.28 and 14,322.43

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Solution

The fourth proportional to 35,387.65, 53,069.28 and 14,322.43 is: 21,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.65 : 53,069.28 = 14,322.43 : x
  2. Step 2: Convert to fraction form
    35,387.65/53,069.28 = 14,322.43/x
  3. Step 3: Cross multiply
    35,387.65x = 53,069.28 × 14,322.43
  4. Step 4: Simplify right side
    35,387.65x = 760,081,047.95
  5. Step 5: Solve for x
    x = 760,081,047.95/35,387.65
  6. Step 6: Final answer
    x = 21,478.71

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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.