Home / 43,203.16-64,802.58-16,912.72

Finding the Fourth Proportional to 43,203.16, 64,802.58 and 16,912.72

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Solution

The fourth proportional to 43,203.16, 64,802.58 and 16,912.72 is: 25,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,203.16 : 64,802.58 = 16,912.72 : x
  2. Step 2: Convert to fraction form
    43,203.16/64,802.58 = 16,912.72/x
  3. Step 3: Cross multiply
    43,203.16x = 64,802.58 × 16,912.72
  4. Step 4: Simplify right side
    43,203.16x = 1,095,987,890.82
  5. Step 5: Solve for x
    x = 1,095,987,890.82/43,203.16
  6. Step 6: Final answer
    x = 25,368.23

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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.