Home / 35,894.24-49,528.14-19,978.28

Finding the Fourth Proportional to 35,894.24, 49,528.14 and 19,978.28

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Solution

The fourth proportional to 35,894.24, 49,528.14 and 19,978.28 is: 27,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,894.24 : 49,528.14 = 19,978.28 : x
  2. Step 2: Convert to fraction form
    35,894.24/49,528.14 = 19,978.28/x
  3. Step 3: Cross multiply
    35,894.24x = 49,528.14 × 19,978.28
  4. Step 4: Simplify right side
    35,894.24x = 989,487,048.80
  5. Step 5: Solve for x
    x = 989,487,048.80/35,894.24
  6. Step 6: Final answer
    x = 27,566.74

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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.