Home / 37,031.74-55,547.62-20,383.21

Finding the Fourth Proportional to 37,031.74, 55,547.62 and 20,383.21

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Solution

The fourth proportional to 37,031.74, 55,547.62 and 20,383.21 is: 30,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.74 : 55,547.62 = 20,383.21 : x
  2. Step 2: Convert to fraction form
    37,031.74/55,547.62 = 20,383.21/x
  3. Step 3: Cross multiply
    37,031.74x = 55,547.62 × 20,383.21
  4. Step 4: Simplify right side
    37,031.74x = 1,132,238,423.81
  5. Step 5: Solve for x
    x = 1,132,238,423.81/37,031.74
  6. Step 6: Final answer
    x = 30,574.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.