Home / 36,998.51-55,498.28-12,038.69

Finding the Fourth Proportional to 36,998.51, 55,498.28 and 12,038.69

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Solution

The fourth proportional to 36,998.51, 55,498.28 and 12,038.69 is: 18,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,998.51 : 55,498.28 = 12,038.69 : x
  2. Step 2: Convert to fraction form
    36,998.51/55,498.28 = 12,038.69/x
  3. Step 3: Cross multiply
    36,998.51x = 55,498.28 × 12,038.69
  4. Step 4: Simplify right side
    36,998.51x = 668,126,449.80
  5. Step 5: Solve for x
    x = 668,126,449.80/36,998.51
  6. Step 6: Final answer
    x = 18,058.20

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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.