Home / 31,056.83-42,856.99-16,909.63

Finding the Fourth Proportional to 31,056.83, 42,856.99 and 16,909.63

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Solution

The fourth proportional to 31,056.83, 42,856.99 and 16,909.63 is: 23,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056.83 : 42,856.99 = 16,909.63 : x
  2. Step 2: Convert to fraction form
    31,056.83/42,856.99 = 16,909.63/x
  3. Step 3: Cross multiply
    31,056.83x = 42,856.99 × 16,909.63
  4. Step 4: Simplify right side
    31,056.83x = 724,695,843.81
  5. Step 5: Solve for x
    x = 724,695,843.81/31,056.83
  6. Step 6: Final answer
    x = 23,334.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.