Home / 46,942.76-64,781-28,084.32

Finding the Fourth Proportional to 46,942.76, 64,781 and 28,084.32

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Solution

The fourth proportional to 46,942.76, 64,781 and 28,084.32 is: 38,756.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,942.76 : 64,781 = 28,084.32 : x
  2. Step 2: Convert to fraction form
    46,942.76/64,781 = 28,084.32/x
  3. Step 3: Cross multiply
    46,942.76x = 64,781 × 28,084.32
  4. Step 4: Simplify right side
    46,942.76x = 1,819,330,333.92
  5. Step 5: Solve for x
    x = 1,819,330,333.92/46,942.76
  6. Step 6: Final answer
    x = 38,756.36

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1.5x scale

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.