Home / 35,570.90-49,085.70-19,434.99

Finding the Fourth Proportional to 35,570.90, 49,085.70 and 19,434.99

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Solution

The fourth proportional to 35,570.90, 49,085.70 and 19,434.99 is: 26,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,570.90 : 49,085.70 = 19,434.99 : x
  2. Step 2: Convert to fraction form
    35,570.90/49,085.70 = 19,434.99/x
  3. Step 3: Cross multiply
    35,570.90x = 49,085.70 × 19,434.99
  4. Step 4: Simplify right side
    35,570.90x = 953,979,891.80
  5. Step 5: Solve for x
    x = 953,979,891.80/35,570.90
  6. Step 6: Final answer
    x = 26,819.11

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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.