Home / 37,031.04-55,417.37-30,289.61

Finding the Fourth Proportional to 37,031.04, 55,417.37 and 30,289.61

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Solution

The fourth proportional to 37,031.04, 55,417.37 and 30,289.61 is: 45,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.04 : 55,417.37 = 30,289.61 : x
  2. Step 2: Convert to fraction form
    37,031.04/55,417.37 = 30,289.61/x
  3. Step 3: Cross multiply
    37,031.04x = 55,417.37 × 30,289.61
  4. Step 4: Simplify right side
    37,031.04x = 1,678,570,511.62
  5. Step 5: Solve for x
    x = 1,678,570,511.62/37,031.04
  6. Step 6: Final answer
    x = 45,328.74

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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.