Home / 35,736.30-49,315.32-19,820.40

Finding the Fourth Proportional to 35,736.30, 49,315.32 and 19,820.40

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Solution

The fourth proportional to 35,736.30, 49,315.32 and 19,820.40 is: 27,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,736.30 : 49,315.32 = 19,820.40 : x
  2. Step 2: Convert to fraction form
    35,736.30/49,315.32 = 19,820.40/x
  3. Step 3: Cross multiply
    35,736.30x = 49,315.32 × 19,820.40
  4. Step 4: Simplify right side
    35,736.30x = 977,449,368.53
  5. Step 5: Solve for x
    x = 977,449,368.53/35,736.30
  6. Step 6: Final answer
    x = 27,351.72

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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.