Home / 51,214.50-70,676.31-28,554.93

Finding the Fourth Proportional to 51,214.50, 70,676.31 and 28,554.93

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Solution

The fourth proportional to 51,214.50, 70,676.31 and 28,554.93 is: 39,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,214.50 : 70,676.31 = 28,554.93 : x
  2. Step 2: Convert to fraction form
    51,214.50/70,676.31 = 28,554.93/x
  3. Step 3: Cross multiply
    51,214.50x = 70,676.31 × 28,554.93
  4. Step 4: Simplify right side
    51,214.50x = 2,018,157,084.71
  5. Step 5: Solve for x
    x = 2,018,157,084.71/51,214.50
  6. Step 6: Final answer
    x = 39,405.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.