Home / 56,005.20-84,007.80-46,285.20

Finding the Fourth Proportional to 56,005.20, 84,007.80 and 46,285.20

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Solution

The fourth proportional to 56,005.20, 84,007.80 and 46,285.20 is: 69,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,005.20 : 84,007.80 = 46,285.20 : x
  2. Step 2: Convert to fraction form
    56,005.20/84,007.80 = 46,285.20/x
  3. Step 3: Cross multiply
    56,005.20x = 84,007.80 × 46,285.20
  4. Step 4: Simplify right side
    56,005.20x = 3,888,317,824.56
  5. Step 5: Solve for x
    x = 3,888,317,824.56/56,005.20
  6. Step 6: Final answer
    x = 69,427.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.