Home / 55,964.45-83,890.51-25,999.72

Finding the Fourth Proportional to 55,964.45, 83,890.51 and 25,999.72

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Solution

The fourth proportional to 55,964.45, 83,890.51 and 25,999.72 is: 38,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,964.45 : 83,890.51 = 25,999.72 : x
  2. Step 2: Convert to fraction form
    55,964.45/83,890.51 = 25,999.72/x
  3. Step 3: Cross multiply
    55,964.45x = 83,890.51 × 25,999.72
  4. Step 4: Simplify right side
    55,964.45x = 2,181,129,495.93
  5. Step 5: Solve for x
    x = 2,181,129,495.93/55,964.45
  6. Step 6: Final answer
    x = 38,973.48

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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.