Home / 35,681.76-53,530.16-13,494.65

Finding the Fourth Proportional to 35,681.76, 53,530.16 and 13,494.65

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Solution

The fourth proportional to 35,681.76, 53,530.16 and 13,494.65 is: 20,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.76 : 53,530.16 = 13,494.65 : x
  2. Step 2: Convert to fraction form
    35,681.76/53,530.16 = 13,494.65/x
  3. Step 3: Cross multiply
    35,681.76x = 53,530.16 × 13,494.65
  4. Step 4: Simplify right side
    35,681.76x = 722,370,438.52
  5. Step 5: Solve for x
    x = 722,370,438.52/35,681.76
  6. Step 6: Final answer
    x = 20,244.81

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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.