Home / 43,675.77-65,458.86-18,686.46

Finding the Fourth Proportional to 43,675.77, 65,458.86 and 18,686.46

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Solution

The fourth proportional to 43,675.77, 65,458.86 and 18,686.46 is: 28,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.77 : 65,458.86 = 18,686.46 : x
  2. Step 2: Convert to fraction form
    43,675.77/65,458.86 = 18,686.46/x
  3. Step 3: Cross multiply
    43,675.77x = 65,458.86 × 18,686.46
  4. Step 4: Simplify right side
    43,675.77x = 1,223,194,369.04
  5. Step 5: Solve for x
    x = 1,223,194,369.04/43,675.77
  6. Step 6: Final answer
    x = 28,006.25

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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.