Home / 49,720.09-68,639.12-38,364.07

Finding the Fourth Proportional to 49,720.09, 68,639.12 and 38,364.07

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Solution

The fourth proportional to 49,720.09, 68,639.12 and 38,364.07 is: 52,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720.09 : 68,639.12 = 38,364.07 : x
  2. Step 2: Convert to fraction form
    49,720.09/68,639.12 = 38,364.07/x
  3. Step 3: Cross multiply
    49,720.09x = 68,639.12 × 38,364.07
  4. Step 4: Simplify right side
    49,720.09x = 2,633,276,004.42
  5. Step 5: Solve for x
    x = 2,633,276,004.42/49,720.09
  6. Step 6: Final answer
    x = 52,962.01

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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.