Home / 45,703.40-68,560.14-14,531.36

Finding the Fourth Proportional to 45,703.40, 68,560.14 and 14,531.36

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Solution

The fourth proportional to 45,703.40, 68,560.14 and 14,531.36 is: 21,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.40 : 68,560.14 = 14,531.36 : x
  2. Step 2: Convert to fraction form
    45,703.40/68,560.14 = 14,531.36/x
  3. Step 3: Cross multiply
    45,703.40x = 68,560.14 × 14,531.36
  4. Step 4: Simplify right side
    45,703.40x = 996,272,075.99
  5. Step 5: Solve for x
    x = 996,272,075.99/45,703.40
  6. Step 6: Final answer
    x = 21,798.64

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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.