Home / 43,377.56-65,075.91-18,438.92

Finding the Fourth Proportional to 43,377.56, 65,075.91 and 18,438.92

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Solution

The fourth proportional to 43,377.56, 65,075.91 and 18,438.92 is: 27,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,377.56 : 65,075.91 = 18,438.92 : x
  2. Step 2: Convert to fraction form
    43,377.56/65,075.91 = 18,438.92/x
  3. Step 3: Cross multiply
    43,377.56x = 65,075.91 × 18,438.92
  4. Step 4: Simplify right side
    43,377.56x = 1,199,929,498.42
  5. Step 5: Solve for x
    x = 1,199,929,498.42/43,377.56
  6. Step 6: Final answer
    x = 27,662.45

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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.