Home / 35,156.21-52,741.37-12,969.70

Finding the Fourth Proportional to 35,156.21, 52,741.37 and 12,969.70

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Solution

The fourth proportional to 35,156.21, 52,741.37 and 12,969.70 is: 19,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,156.21 : 52,741.37 = 12,969.70 : x
  2. Step 2: Convert to fraction form
    35,156.21/52,741.37 = 12,969.70/x
  3. Step 3: Cross multiply
    35,156.21x = 52,741.37 × 12,969.70
  4. Step 4: Simplify right side
    35,156.21x = 684,039,681.64
  5. Step 5: Solve for x
    x = 684,039,681.64/35,156.21
  6. Step 6: Final answer
    x = 19,457.15

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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.