Home / 35,745.36-49,328.28-20,641.20

Finding the Fourth Proportional to 35,745.36, 49,328.28 and 20,641.20

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Solution

The fourth proportional to 35,745.36, 49,328.28 and 20,641.20 is: 28,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.36 : 49,328.28 = 20,641.20 : x
  2. Step 2: Convert to fraction form
    35,745.36/49,328.28 = 20,641.20/x
  3. Step 3: Cross multiply
    35,745.36x = 49,328.28 × 20,641.20
  4. Step 4: Simplify right side
    35,745.36x = 1,018,194,893.14
  5. Step 5: Solve for x
    x = 1,018,194,893.14/35,745.36
  6. Step 6: Final answer
    x = 28,484.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.