Home / 65,639.49-90,609.93-44,431.07

Finding the Fourth Proportional to 65,639.49, 90,609.93 and 44,431.07

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Solution

The fourth proportional to 65,639.49, 90,609.93 and 44,431.07 is: 61,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,639.49 : 90,609.93 = 44,431.07 : x
  2. Step 2: Convert to fraction form
    65,639.49/90,609.93 = 44,431.07/x
  3. Step 3: Cross multiply
    65,639.49x = 90,609.93 × 44,431.07
  4. Step 4: Simplify right side
    65,639.49x = 4,025,895,689.48
  5. Step 5: Solve for x
    x = 4,025,895,689.48/65,639.49
  6. Step 6: Final answer
    x = 61,333.44

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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.