Home / 30,386.13-41,932.75-16,956.63

Finding the Fourth Proportional to 30,386.13, 41,932.75 and 16,956.63

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Solution

The fourth proportional to 30,386.13, 41,932.75 and 16,956.63 is: 23,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.13 : 41,932.75 = 16,956.63 : x
  2. Step 2: Convert to fraction form
    30,386.13/41,932.75 = 16,956.63/x
  3. Step 3: Cross multiply
    30,386.13x = 41,932.75 × 16,956.63
  4. Step 4: Simplify right side
    30,386.13x = 711,038,126.63
  5. Step 5: Solve for x
    x = 711,038,126.63/30,386.13
  6. Step 6: Final answer
    x = 23,400.09

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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.