Home / 65,941.84-90,999.75-35,727.36

Finding the Fourth Proportional to 65,941.84, 90,999.75 and 35,727.36

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Solution

The fourth proportional to 65,941.84, 90,999.75 and 35,727.36 is: 49,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,941.84 : 90,999.75 = 35,727.36 : x
  2. Step 2: Convert to fraction form
    65,941.84/90,999.75 = 35,727.36/x
  3. Step 3: Cross multiply
    65,941.84x = 90,999.75 × 35,727.36
  4. Step 4: Simplify right side
    65,941.84x = 3,251,180,828.16
  5. Step 5: Solve for x
    x = 3,251,180,828.16/65,941.84
  6. Step 6: Final answer
    x = 49,303.76

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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.