Home / 43,858.51-65,780.46-15,772.88

Finding the Fourth Proportional to 43,858.51, 65,780.46 and 15,772.88

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Solution

The fourth proportional to 43,858.51, 65,780.46 and 15,772.88 is: 23,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,858.51 : 65,780.46 = 15,772.88 : x
  2. Step 2: Convert to fraction form
    43,858.51/65,780.46 = 15,772.88/x
  3. Step 3: Cross multiply
    43,858.51x = 65,780.46 × 15,772.88
  4. Step 4: Simplify right side
    43,858.51x = 1,037,547,466.38
  5. Step 5: Solve for x
    x = 1,037,547,466.38/43,858.51
  6. Step 6: Final answer
    x = 23,656.70

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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.