Home / 30,332.04-41,861.28-16,905.48

Finding the Fourth Proportional to 30,332.04, 41,861.28 and 16,905.48

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Solution

The fourth proportional to 30,332.04, 41,861.28 and 16,905.48 is: 23,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.04 : 41,861.28 = 16,905.48 : x
  2. Step 2: Convert to fraction form
    30,332.04/41,861.28 = 16,905.48/x
  3. Step 3: Cross multiply
    30,332.04x = 41,861.28 × 16,905.48
  4. Step 4: Simplify right side
    30,332.04x = 707,685,031.81
  5. Step 5: Solve for x
    x = 707,685,031.81/30,332.04
  6. Step 6: Final answer
    x = 23,331.27

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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.