Home / 38,331.99-52,898.58-21,106.29

Finding the Fourth Proportional to 38,331.99, 52,898.58 and 21,106.29

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Solution

The fourth proportional to 38,331.99, 52,898.58 and 21,106.29 is: 29,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.99 : 52,898.58 = 21,106.29 : x
  2. Step 2: Convert to fraction form
    38,331.99/52,898.58 = 21,106.29/x
  3. Step 3: Cross multiply
    38,331.99x = 52,898.58 × 21,106.29
  4. Step 4: Simplify right side
    38,331.99x = 1,116,492,770.07
  5. Step 5: Solve for x
    x = 1,116,492,770.07/38,331.99
  6. Step 6: Final answer
    x = 29,126.92

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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.