Home / 45,658.89-63,009.09-25,515.81

Finding the Fourth Proportional to 45,658.89, 63,009.09 and 25,515.81

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Solution

The fourth proportional to 45,658.89, 63,009.09 and 25,515.81 is: 35,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.89 : 63,009.09 = 25,515.81 : x
  2. Step 2: Convert to fraction form
    45,658.89/63,009.09 = 25,515.81/x
  3. Step 3: Cross multiply
    45,658.89x = 63,009.09 × 25,515.81
  4. Step 4: Simplify right side
    45,658.89x = 1,607,727,968.71
  5. Step 5: Solve for x
    x = 1,607,727,968.71/45,658.89
  6. Step 6: Final answer
    x = 35,211.72

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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.