Home / 43,167.36-64,750.86-13,587.72

Finding the Fourth Proportional to 43,167.36, 64,750.86 and 13,587.72

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Solution

The fourth proportional to 43,167.36, 64,750.86 and 13,587.72 is: 20,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,167.36 : 64,750.86 = 13,587.72 : x
  2. Step 2: Convert to fraction form
    43,167.36/64,750.86 = 13,587.72/x
  3. Step 3: Cross multiply
    43,167.36x = 64,750.86 × 13,587.72
  4. Step 4: Simplify right side
    43,167.36x = 879,816,555.44
  5. Step 5: Solve for x
    x = 879,816,555.44/43,167.36
  6. Step 6: Final answer
    x = 20,381.52

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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.