Home / 23,037.64-34,376.73-20,555.40

Finding the Fourth Proportional to 23,037.64, 34,376.73 and 20,555.40

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Solution

The fourth proportional to 23,037.64, 34,376.73 and 20,555.40 is: 30,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,037.64 : 34,376.73 = 20,555.40 : x
  2. Step 2: Convert to fraction form
    23,037.64/34,376.73 = 20,555.40/x
  3. Step 3: Cross multiply
    23,037.64x = 34,376.73 × 20,555.40
  4. Step 4: Simplify right side
    23,037.64x = 706,627,435.84
  5. Step 5: Solve for x
    x = 706,627,435.84/23,037.64
  6. Step 6: Final answer
    x = 30,672.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.