Home / 43,071.24-64,606.84-13,491.39

Finding the Fourth Proportional to 43,071.24, 64,606.84 and 13,491.39

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Solution

The fourth proportional to 43,071.24, 64,606.84 and 13,491.39 is: 20,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071.24 : 64,606.84 = 13,491.39 : x
  2. Step 2: Convert to fraction form
    43,071.24/64,606.84 = 13,491.39/x
  3. Step 3: Cross multiply
    43,071.24x = 64,606.84 × 13,491.39
  4. Step 4: Simplify right side
    43,071.24x = 871,636,075.11
  5. Step 5: Solve for x
    x = 871,636,075.11/43,071.24
  6. Step 6: Final answer
    x = 20,237.08

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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.