Home / 37,315.18-51,455.48-28,818.68

Finding the Fourth Proportional to 37,315.18, 51,455.48 and 28,818.68

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Solution

The fourth proportional to 37,315.18, 51,455.48 and 28,818.68 is: 39,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,315.18 : 51,455.48 = 28,818.68 : x
  2. Step 2: Convert to fraction form
    37,315.18/51,455.48 = 28,818.68/x
  3. Step 3: Cross multiply
    37,315.18x = 51,455.48 × 28,818.68
  4. Step 4: Simplify right side
    37,315.18x = 1,482,879,012.37
  5. Step 5: Solve for x
    x = 1,482,879,012.37/37,315.18
  6. Step 6: Final answer
    x = 39,739.30

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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.