Home / 45,024.80-67,525.32-13,427.36

Finding the Fourth Proportional to 45,024.80, 67,525.32 and 13,427.36

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Solution

The fourth proportional to 45,024.80, 67,525.32 and 13,427.36 is: 20,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,024.80 : 67,525.32 = 13,427.36 : x
  2. Step 2: Convert to fraction form
    45,024.80/67,525.32 = 13,427.36/x
  3. Step 3: Cross multiply
    45,024.80x = 67,525.32 × 13,427.36
  4. Step 4: Simplify right side
    45,024.80x = 906,686,780.76
  5. Step 5: Solve for x
    x = 906,686,780.76/45,024.80
  6. Step 6: Final answer
    x = 20,137.50

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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.