Home / 35,148.39-52,688.72-12,949.64

Finding the Fourth Proportional to 35,148.39, 52,688.72 and 12,949.64

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Solution

The fourth proportional to 35,148.39, 52,688.72 and 12,949.64 is: 19,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,148.39 : 52,688.72 = 12,949.64 : x
  2. Step 2: Convert to fraction form
    35,148.39/52,688.72 = 12,949.64/x
  3. Step 3: Cross multiply
    35,148.39x = 52,688.72 × 12,949.64
  4. Step 4: Simplify right side
    35,148.39x = 682,299,956.06
  5. Step 5: Solve for x
    x = 682,299,956.06/35,148.39
  6. Step 6: Final answer
    x = 19,411.98

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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.