Home / 43,041.47-64,543.95-16,728.21

Finding the Fourth Proportional to 43,041.47, 64,543.95 and 16,728.21

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Solution

The fourth proportional to 43,041.47, 64,543.95 and 16,728.21 is: 25,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,041.47 : 64,543.95 = 16,728.21 : x
  2. Step 2: Convert to fraction form
    43,041.47/64,543.95 = 16,728.21/x
  3. Step 3: Cross multiply
    43,041.47x = 64,543.95 × 16,728.21
  4. Step 4: Simplify right side
    43,041.47x = 1,079,704,749.83
  5. Step 5: Solve for x
    x = 1,079,704,749.83/43,041.47
  6. Step 6: Final answer
    x = 25,085.22

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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.