Home / 45,603.41-68,415.65-14,438.66

Finding the Fourth Proportional to 45,603.41, 68,415.65 and 14,438.66

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Solution

The fourth proportional to 45,603.41, 68,415.65 and 14,438.66 is: 21,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,603.41 : 68,415.65 = 14,438.66 : x
  2. Step 2: Convert to fraction form
    45,603.41/68,415.65 = 14,438.66/x
  3. Step 3: Cross multiply
    45,603.41x = 68,415.65 × 14,438.66
  4. Step 4: Simplify right side
    45,603.41x = 987,829,894.76
  5. Step 5: Solve for x
    x = 987,829,894.76/45,603.41
  6. Step 6: Final answer
    x = 21,661.32

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1.5x scale

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.