Home / 36,853.86-55,278.12-13,158.72

Finding the Fourth Proportional to 36,853.86, 55,278.12 and 13,158.72

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Solution

The fourth proportional to 36,853.86, 55,278.12 and 13,158.72 is: 19,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,853.86 : 55,278.12 = 13,158.72 : x
  2. Step 2: Convert to fraction form
    36,853.86/55,278.12 = 13,158.72/x
  3. Step 3: Cross multiply
    36,853.86x = 55,278.12 × 13,158.72
  4. Step 4: Simplify right side
    36,853.86x = 727,389,303.21
  5. Step 5: Solve for x
    x = 727,389,303.21/36,853.86
  6. Step 6: Final answer
    x = 19,737.13

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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.