Home / 51,420.60-77,130.77-16,360.16

Finding the Fourth Proportional to 51,420.60, 77,130.77 and 16,360.16

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Solution

The fourth proportional to 51,420.60, 77,130.77 and 16,360.16 is: 24,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.60 : 77,130.77 = 16,360.16 : x
  2. Step 2: Convert to fraction form
    51,420.60/77,130.77 = 16,360.16/x
  3. Step 3: Cross multiply
    51,420.60x = 77,130.77 × 16,360.16
  4. Step 4: Simplify right side
    51,420.60x = 1,261,871,270.67
  5. Step 5: Solve for x
    x = 1,261,871,270.67/51,420.60
  6. Step 6: Final answer
    x = 24,540.19

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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.