Home / 46,985.22-70,434.68-20,314.54

Finding the Fourth Proportional to 46,985.22, 70,434.68 and 20,314.54

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Solution

The fourth proportional to 46,985.22, 70,434.68 and 20,314.54 is: 30,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,985.22 : 70,434.68 = 20,314.54 : x
  2. Step 2: Convert to fraction form
    46,985.22/70,434.68 = 20,314.54/x
  3. Step 3: Cross multiply
    46,985.22x = 70,434.68 × 20,314.54
  4. Step 4: Simplify right side
    46,985.22x = 1,430,848,124.25
  5. Step 5: Solve for x
    x = 1,430,848,124.25/46,985.22
  6. Step 6: Final answer
    x = 30,453.15

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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.