Home / 51,065.61-76,581.41-21,477.93

Finding the Fourth Proportional to 51,065.61, 76,581.41 and 21,477.93

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Solution

The fourth proportional to 51,065.61, 76,581.41 and 21,477.93 is: 32,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.61 : 76,581.41 = 21,477.93 : x
  2. Step 2: Convert to fraction form
    51,065.61/76,581.41 = 21,477.93/x
  3. Step 3: Cross multiply
    51,065.61x = 76,581.41 × 21,477.93
  4. Step 4: Simplify right side
    51,065.61x = 1,644,810,055.89
  5. Step 5: Solve for x
    x = 1,644,810,055.89/51,065.61
  6. Step 6: Final answer
    x = 32,209.74

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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.