Home / 36,485.85-54,695.70-13,106.82

Finding the Fourth Proportional to 36,485.85, 54,695.70 and 13,106.82

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Solution

The fourth proportional to 36,485.85, 54,695.70 and 13,106.82 is: 19,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.85 : 54,695.70 = 13,106.82 : x
  2. Step 2: Convert to fraction form
    36,485.85/54,695.70 = 13,106.82/x
  3. Step 3: Cross multiply
    36,485.85x = 54,695.70 × 13,106.82
  4. Step 4: Simplify right side
    36,485.85x = 716,886,694.67
  5. Step 5: Solve for x
    x = 716,886,694.67/36,485.85
  6. Step 6: Final answer
    x = 19,648.35

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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.