Home / 35,707.96-49,278.74-19,792.47

Finding the Fourth Proportional to 35,707.96, 49,278.74 and 19,792.47

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Solution

The fourth proportional to 35,707.96, 49,278.74 and 19,792.47 is: 27,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,707.96 : 49,278.74 = 19,792.47 : x
  2. Step 2: Convert to fraction form
    35,707.96/49,278.74 = 19,792.47/x
  3. Step 3: Cross multiply
    35,707.96x = 49,278.74 × 19,792.47
  4. Step 4: Simplify right side
    35,707.96x = 975,347,983.09
  5. Step 5: Solve for x
    x = 975,347,983.09/35,707.96
  6. Step 6: Final answer
    x = 27,314.58

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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.