Home / 45,038.25-67,557.38-12,206.25

Finding the Fourth Proportional to 45,038.25, 67,557.38 and 12,206.25

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Solution

The fourth proportional to 45,038.25, 67,557.38 and 12,206.25 is: 18,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,038.25 : 67,557.38 = 12,206.25 : x
  2. Step 2: Convert to fraction form
    45,038.25/67,557.38 = 12,206.25/x
  3. Step 3: Cross multiply
    45,038.25x = 67,557.38 × 12,206.25
  4. Step 4: Simplify right side
    45,038.25x = 824,622,208.59
  5. Step 5: Solve for x
    x = 824,622,208.59/45,038.25
  6. Step 6: Final answer
    x = 18,309.38

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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.