Home / 37,683.72-52,000.26-20,687.91

Finding the Fourth Proportional to 37,683.72, 52,000.26 and 20,687.91

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Solution

The fourth proportional to 37,683.72, 52,000.26 and 20,687.91 is: 28,547.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,683.72 : 52,000.26 = 20,687.91 : x
  2. Step 2: Convert to fraction form
    37,683.72/52,000.26 = 20,687.91/x
  3. Step 3: Cross multiply
    37,683.72x = 52,000.26 × 20,687.91
  4. Step 4: Simplify right side
    37,683.72x = 1,075,776,698.86
  5. Step 5: Solve for x
    x = 1,075,776,698.86/37,683.72
  6. Step 6: Final answer
    x = 28,547.52

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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.