Home / 31,824.84-47,688.66-17,779.44

Finding the Fourth Proportional to 31,824.84, 47,688.66 and 17,779.44

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Solution

The fourth proportional to 31,824.84, 47,688.66 and 17,779.44 is: 26,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.84 : 47,688.66 = 17,779.44 : x
  2. Step 2: Convert to fraction form
    31,824.84/47,688.66 = 17,779.44/x
  3. Step 3: Cross multiply
    31,824.84x = 47,688.66 × 17,779.44
  4. Step 4: Simplify right side
    31,824.84x = 847,877,669.15
  5. Step 5: Solve for x
    x = 847,877,669.15/31,824.84
  6. Step 6: Final answer
    x = 26,642.01

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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.