Home / 43,897.21-65,856.30-14,315.08

Finding the Fourth Proportional to 43,897.21, 65,856.30 and 14,315.08

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Solution

The fourth proportional to 43,897.21, 65,856.30 and 14,315.08 is: 21,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,897.21 : 65,856.30 = 14,315.08 : x
  2. Step 2: Convert to fraction form
    43,897.21/65,856.30 = 14,315.08/x
  3. Step 3: Cross multiply
    43,897.21x = 65,856.30 × 14,315.08
  4. Step 4: Simplify right side
    43,897.21x = 942,737,873.72
  5. Step 5: Solve for x
    x = 942,737,873.72/43,897.21
  6. Step 6: Final answer
    x = 21,476.03

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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.