Home / 35,158.64-52,742.30-12,972.12

Finding the Fourth Proportional to 35,158.64, 52,742.30 and 12,972.12

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Solution

The fourth proportional to 35,158.64, 52,742.30 and 12,972.12 is: 19,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,158.64 : 52,742.30 = 12,972.12 : x
  2. Step 2: Convert to fraction form
    35,158.64/52,742.30 = 12,972.12/x
  3. Step 3: Cross multiply
    35,158.64x = 52,742.30 × 12,972.12
  4. Step 4: Simplify right side
    35,158.64x = 684,179,444.68
  5. Step 5: Solve for x
    x = 684,179,444.68/35,158.64
  6. Step 6: Final answer
    x = 19,459.78

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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.