Home / 37,312.20-55,968.30-12,356.10

Finding the Fourth Proportional to 37,312.20, 55,968.30 and 12,356.10

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Solution

The fourth proportional to 37,312.20, 55,968.30 and 12,356.10 is: 18,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.20 : 55,968.30 = 12,356.10 : x
  2. Step 2: Convert to fraction form
    37,312.20/55,968.30 = 12,356.10/x
  3. Step 3: Cross multiply
    37,312.20x = 55,968.30 × 12,356.10
  4. Step 4: Simplify right side
    37,312.20x = 691,549,911.63
  5. Step 5: Solve for x
    x = 691,549,911.63/37,312.20
  6. Step 6: Final answer
    x = 18,534.15

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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.