Home / 45,756.55-68,663.99-19,461.25

Finding the Fourth Proportional to 45,756.55, 68,663.99 and 19,461.25

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Solution

The fourth proportional to 45,756.55, 68,663.99 and 19,461.25 is: 29,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,756.55 : 68,663.99 = 19,461.25 : x
  2. Step 2: Convert to fraction form
    45,756.55/68,663.99 = 19,461.25/x
  3. Step 3: Cross multiply
    45,756.55x = 68,663.99 × 19,461.25
  4. Step 4: Simplify right side
    45,756.55x = 1,336,287,075.39
  5. Step 5: Solve for x
    x = 1,336,287,075.39/45,756.55
  6. Step 6: Final answer
    x = 29,204.28

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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.