Home / 46,806.88-64,627.32-28,926.40

Finding the Fourth Proportional to 46,806.88, 64,627.32 and 28,926.40

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Solution

The fourth proportional to 46,806.88, 64,627.32 and 28,926.40 is: 39,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,806.88 : 64,627.32 = 28,926.40 : x
  2. Step 2: Convert to fraction form
    46,806.88/64,627.32 = 28,926.40/x
  3. Step 3: Cross multiply
    46,806.88x = 64,627.32 × 28,926.40
  4. Step 4: Simplify right side
    46,806.88x = 1,869,435,709.25
  5. Step 5: Solve for x
    x = 1,869,435,709.25/46,806.88
  6. Step 6: Final answer
    x = 39,939.34

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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.