Home / 30,332.36-41,848.08-18,236.43

Finding the Fourth Proportional to 30,332.36, 41,848.08 and 18,236.43

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Solution

The fourth proportional to 30,332.36, 41,848.08 and 18,236.43 is: 25,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.36 : 41,848.08 = 18,236.43 : x
  2. Step 2: Convert to fraction form
    30,332.36/41,848.08 = 18,236.43/x
  3. Step 3: Cross multiply
    30,332.36x = 41,848.08 × 18,236.43
  4. Step 4: Simplify right side
    30,332.36x = 763,159,581.55
  5. Step 5: Solve for x
    x = 763,159,581.55/30,332.36
  6. Step 6: Final answer
    x = 25,159.92

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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.