Home / 43,039.05-59,373.41-28,705.50

Finding the Fourth Proportional to 43,039.05, 59,373.41 and 28,705.50

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Solution

The fourth proportional to 43,039.05, 59,373.41 and 28,705.50 is: 39,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.05 : 59,373.41 = 28,705.50 : x
  2. Step 2: Convert to fraction form
    43,039.05/59,373.41 = 28,705.50/x
  3. Step 3: Cross multiply
    43,039.05x = 59,373.41 × 28,705.50
  4. Step 4: Simplify right side
    43,039.05x = 1,704,343,277.23
  5. Step 5: Solve for x
    x = 1,704,343,277.23/43,039.05
  6. Step 6: Final answer
    x = 39,599.93

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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.