Home / 30,417.24-41,975.67-16,988.49

Finding the Fourth Proportional to 30,417.24, 41,975.67 and 16,988.49

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Solution

The fourth proportional to 30,417.24, 41,975.67 and 16,988.49 is: 23,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.24 : 41,975.67 = 16,988.49 : x
  2. Step 2: Convert to fraction form
    30,417.24/41,975.67 = 16,988.49/x
  3. Step 3: Cross multiply
    30,417.24x = 41,975.67 × 16,988.49
  4. Step 4: Simplify right side
    30,417.24x = 713,103,250.04
  5. Step 5: Solve for x
    x = 713,103,250.04/30,417.24
  6. Step 6: Final answer
    x = 23,444.05

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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.