Home / 46,729.80-70,110.90-20,453.40

Finding the Fourth Proportional to 46,729.80, 70,110.90 and 20,453.40

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Solution

The fourth proportional to 46,729.80, 70,110.90 and 20,453.40 is: 30,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,729.80 : 70,110.90 = 20,453.40 : x
  2. Step 2: Convert to fraction form
    46,729.80/70,110.90 = 20,453.40/x
  3. Step 3: Cross multiply
    46,729.80x = 70,110.90 × 20,453.40
  4. Step 4: Simplify right side
    46,729.80x = 1,434,006,282.06
  5. Step 5: Solve for x
    x = 1,434,006,282.06/46,729.80
  6. Step 6: Final answer
    x = 30,687.19

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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.