Home / 30,743.52-46,011.12-18,904.79

Finding the Fourth Proportional to 30,743.52, 46,011.12 and 18,904.79

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Solution

The fourth proportional to 30,743.52, 46,011.12 and 18,904.79 is: 28,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,743.52 : 46,011.12 = 18,904.79 : x
  2. Step 2: Convert to fraction form
    30,743.52/46,011.12 = 18,904.79/x
  3. Step 3: Cross multiply
    30,743.52x = 46,011.12 × 18,904.79
  4. Step 4: Simplify right side
    30,743.52x = 869,830,561.26
  5. Step 5: Solve for x
    x = 869,830,561.26/30,743.52
  6. Step 6: Final answer
    x = 28,293.13

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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.