Home / 51,368.40-70,893.50-30,147.21

Finding the Fourth Proportional to 51,368.40, 70,893.50 and 30,147.21

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Solution

The fourth proportional to 51,368.40, 70,893.50 and 30,147.21 is: 41,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,368.40 : 70,893.50 = 30,147.21 : x
  2. Step 2: Convert to fraction form
    51,368.40/70,893.50 = 30,147.21/x
  3. Step 3: Cross multiply
    51,368.40x = 70,893.50 × 30,147.21
  4. Step 4: Simplify right side
    51,368.40x = 2,137,241,081.40
  5. Step 5: Solve for x
    x = 2,137,241,081.40/51,368.40
  6. Step 6: Final answer
    x = 41,606.14

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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.