Home / 62,165.36-85,730.28-40,907.72

Finding the Fourth Proportional to 62,165.36, 85,730.28 and 40,907.72

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Solution

The fourth proportional to 62,165.36, 85,730.28 and 40,907.72 is: 56,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,165.36 : 85,730.28 = 40,907.72 : x
  2. Step 2: Convert to fraction form
    62,165.36/85,730.28 = 40,907.72/x
  3. Step 3: Cross multiply
    62,165.36x = 85,730.28 × 40,907.72
  4. Step 4: Simplify right side
    62,165.36x = 3,507,030,289.76
  5. Step 5: Solve for x
    x = 3,507,030,289.76/62,165.36
  6. Step 6: Final answer
    x = 56,414.54

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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.