Home / 45,639.30-68,465.43-14,051.99

Finding the Fourth Proportional to 45,639.30, 68,465.43 and 14,051.99

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Solution

The fourth proportional to 45,639.30, 68,465.43 and 14,051.99 is: 21,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639.30 : 68,465.43 = 14,051.99 : x
  2. Step 2: Convert to fraction form
    45,639.30/68,465.43 = 14,051.99/x
  3. Step 3: Cross multiply
    45,639.30x = 68,465.43 × 14,051.99
  4. Step 4: Simplify right side
    45,639.30x = 962,075,537.71
  5. Step 5: Solve for x
    x = 962,075,537.71/45,639.30
  6. Step 6: Final answer
    x = 21,079.98

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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.