Home / 62,003.07-85,532.69-40,505.40

Finding the Fourth Proportional to 62,003.07, 85,532.69 and 40,505.40

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Solution

The fourth proportional to 62,003.07, 85,532.69 and 40,505.40 is: 55,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,003.07 : 85,532.69 = 40,505.40 : x
  2. Step 2: Convert to fraction form
    62,003.07/85,532.69 = 40,505.40/x
  3. Step 3: Cross multiply
    62,003.07x = 85,532.69 × 40,505.40
  4. Step 4: Simplify right side
    62,003.07x = 3,464,535,506.43
  5. Step 5: Solve for x
    x = 3,464,535,506.43/62,003.07
  6. Step 6: Final answer
    x = 55,876.84

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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.