Home / 50,280.67-75,420.95-12,840.77

Finding the Fourth Proportional to 50,280.67, 75,420.95 and 12,840.77

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Solution

The fourth proportional to 50,280.67, 75,420.95 and 12,840.77 is: 19,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,280.67 : 75,420.95 = 12,840.77 : x
  2. Step 2: Convert to fraction form
    50,280.67/75,420.95 = 12,840.77/x
  3. Step 3: Cross multiply
    50,280.67x = 75,420.95 × 12,840.77
  4. Step 4: Simplify right side
    50,280.67x = 968,463,072.13
  5. Step 5: Solve for x
    x = 968,463,072.13/50,280.67
  6. Step 6: Final answer
    x = 19,261.14

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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.