Home / 43,779.36-60,440.40-28,918.56

Finding the Fourth Proportional to 43,779.36, 60,440.40 and 28,918.56

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Solution

The fourth proportional to 43,779.36, 60,440.40 and 28,918.56 is: 39,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,779.36 : 60,440.40 = 28,918.56 : x
  2. Step 2: Convert to fraction form
    43,779.36/60,440.40 = 28,918.56/x
  3. Step 3: Cross multiply
    43,779.36x = 60,440.40 × 28,918.56
  4. Step 4: Simplify right side
    43,779.36x = 1,747,849,333.82
  5. Step 5: Solve for x
    x = 1,747,849,333.82/43,779.36
  6. Step 6: Final answer
    x = 39,924.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.