Home / 30,681.13-46,016.56-8,496.74

Finding the Fourth Proportional to 30,681.13, 46,016.56 and 8,496.74

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Solution

The fourth proportional to 30,681.13, 46,016.56 and 8,496.74 is: 12,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.13 : 46,016.56 = 8,496.74 : x
  2. Step 2: Convert to fraction form
    30,681.13/46,016.56 = 8,496.74/x
  3. Step 3: Cross multiply
    30,681.13x = 46,016.56 × 8,496.74
  4. Step 4: Simplify right side
    30,681.13x = 390,990,746.01
  5. Step 5: Solve for x
    x = 390,990,746.01/30,681.13
  6. Step 6: Final answer
    x = 12,743.69

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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.