Home / 43,302.30-64,959.98-18,342.45

Finding the Fourth Proportional to 43,302.30, 64,959.98 and 18,342.45

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Solution

The fourth proportional to 43,302.30, 64,959.98 and 18,342.45 is: 27,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.30 : 64,959.98 = 18,342.45 : x
  2. Step 2: Convert to fraction form
    43,302.30/64,959.98 = 18,342.45/x
  3. Step 3: Cross multiply
    43,302.30x = 64,959.98 × 18,342.45
  4. Step 4: Simplify right side
    43,302.30x = 1,191,525,093.44
  5. Step 5: Solve for x
    x = 1,191,525,093.44/43,302.30
  6. Step 6: Final answer
    x = 27,516.44

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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.