Home / 45,703.40-68,576.70-19,430.60

Finding the Fourth Proportional to 45,703.40, 68,576.70 and 19,430.60

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Solution

The fourth proportional to 45,703.40, 68,576.70 and 19,430.60 is: 29,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.40 : 68,576.70 = 19,430.60 : x
  2. Step 2: Convert to fraction form
    45,703.40/68,576.70 = 19,430.60/x
  3. Step 3: Cross multiply
    45,703.40x = 68,576.70 × 19,430.60
  4. Step 4: Simplify right side
    45,703.40x = 1,332,486,427.02
  5. Step 5: Solve for x
    x = 1,332,486,427.02/45,703.40
  6. Step 6: Final answer
    x = 29,155.08

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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.