Home / 43,240.24-64,860.54-12,075.76

Finding the Fourth Proportional to 43,240.24, 64,860.54 and 12,075.76

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Solution

The fourth proportional to 43,240.24, 64,860.54 and 12,075.76 is: 18,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,240.24 : 64,860.54 = 12,075.76 : x
  2. Step 2: Convert to fraction form
    43,240.24/64,860.54 = 12,075.76/x
  3. Step 3: Cross multiply
    43,240.24x = 64,860.54 × 12,075.76
  4. Step 4: Simplify right side
    43,240.24x = 783,240,314.51
  5. Step 5: Solve for x
    x = 783,240,314.51/43,240.24
  6. Step 6: Final answer
    x = 18,113.69

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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.