Home / 43,118.07-64,683.96-13,528.90

Finding the Fourth Proportional to 43,118.07, 64,683.96 and 13,528.90

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Solution

The fourth proportional to 43,118.07, 64,683.96 and 13,528.90 is: 20,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,118.07 : 64,683.96 = 13,528.90 : x
  2. Step 2: Convert to fraction form
    43,118.07/64,683.96 = 13,528.90/x
  3. Step 3: Cross multiply
    43,118.07x = 64,683.96 × 13,528.90
  4. Step 4: Simplify right side
    43,118.07x = 875,102,826.44
  5. Step 5: Solve for x
    x = 875,102,826.44/43,118.07
  6. Step 6: Final answer
    x = 20,295.50

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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.