Home / 65,113.42-89,852.27-36,428.18

Finding the Fourth Proportional to 65,113.42, 89,852.27 and 36,428.18

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Solution

The fourth proportional to 65,113.42, 89,852.27 and 36,428.18 is: 50,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,113.42 : 89,852.27 = 36,428.18 : x
  2. Step 2: Convert to fraction form
    65,113.42/89,852.27 = 36,428.18/x
  3. Step 3: Cross multiply
    65,113.42x = 89,852.27 × 36,428.18
  4. Step 4: Simplify right side
    65,113.42x = 3,273,154,664.97
  5. Step 5: Solve for x
    x = 3,273,154,664.97/65,113.42
  6. Step 6: Final answer
    x = 50,268.51

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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.