Home / 30,412.53-41,968.35-16,983.72

Finding the Fourth Proportional to 30,412.53, 41,968.35 and 16,983.72

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Solution

The fourth proportional to 30,412.53, 41,968.35 and 16,983.72 is: 23,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.53 : 41,968.35 = 16,983.72 : x
  2. Step 2: Convert to fraction form
    30,412.53/41,968.35 = 16,983.72/x
  3. Step 3: Cross multiply
    30,412.53x = 41,968.35 × 16,983.72
  4. Step 4: Simplify right side
    30,412.53x = 712,778,705.26
  5. Step 5: Solve for x
    x = 712,778,705.26/30,412.53
  6. Step 6: Final answer
    x = 23,437.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.