Home / 37,682.08-52,001.32-20,686.42

Finding the Fourth Proportional to 37,682.08, 52,001.32 and 20,686.42

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Solution

The fourth proportional to 37,682.08, 52,001.32 and 20,686.42 is: 28,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.08 : 52,001.32 = 20,686.42 : x
  2. Step 2: Convert to fraction form
    37,682.08/52,001.32 = 20,686.42/x
  3. Step 3: Cross multiply
    37,682.08x = 52,001.32 × 20,686.42
  4. Step 4: Simplify right side
    37,682.08x = 1,075,721,146.07
  5. Step 5: Solve for x
    x = 1,075,721,146.07/37,682.08
  6. Step 6: Final answer
    x = 28,547.29

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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.