Home / 55,448.80-76,533.08-31,589.65

Finding the Fourth Proportional to 55,448.80, 76,533.08 and 31,589.65

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Solution

The fourth proportional to 55,448.80, 76,533.08 and 31,589.65 is: 43,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,448.80 : 76,533.08 = 31,589.65 : x
  2. Step 2: Convert to fraction form
    55,448.80/76,533.08 = 31,589.65/x
  3. Step 3: Cross multiply
    55,448.80x = 76,533.08 × 31,589.65
  4. Step 4: Simplify right side
    55,448.80x = 2,417,652,670.01
  5. Step 5: Solve for x
    x = 2,417,652,670.01/55,448.80
  6. Step 6: Final answer
    x = 43,601.54

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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.