Home / 35,280.45-48,686.85-19,365.21

Finding the Fourth Proportional to 35,280.45, 48,686.85 and 19,365.21

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Solution

The fourth proportional to 35,280.45, 48,686.85 and 19,365.21 is: 26,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.45 : 48,686.85 = 19,365.21 : x
  2. Step 2: Convert to fraction form
    35,280.45/48,686.85 = 19,365.21/x
  3. Step 3: Cross multiply
    35,280.45x = 48,686.85 × 19,365.21
  4. Step 4: Simplify right side
    35,280.45x = 942,831,074.49
  5. Step 5: Solve for x
    x = 942,831,074.49/35,280.45
  6. Step 6: Final answer
    x = 26,723.90

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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.