Home / 37,683.77-52,004.21-20,689.58

Finding the Fourth Proportional to 37,683.77, 52,004.21 and 20,689.58

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Solution

The fourth proportional to 37,683.77, 52,004.21 and 20,689.58 is: 28,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,683.77 : 52,004.21 = 20,689.58 : x
  2. Step 2: Convert to fraction form
    37,683.77/52,004.21 = 20,689.58/x
  3. Step 3: Cross multiply
    37,683.77x = 52,004.21 × 20,689.58
  4. Step 4: Simplify right side
    37,683.77x = 1,075,944,899.66
  5. Step 5: Solve for x
    x = 1,075,944,899.66/37,683.77
  6. Step 6: Final answer
    x = 28,551.95

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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.