Home / 31,077.60-46,630.80-16,303.20

Finding the Fourth Proportional to 31,077.60, 46,630.80 and 16,303.20

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Solution

The fourth proportional to 31,077.60, 46,630.80 and 16,303.20 is: 24,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,077.60 : 46,630.80 = 16,303.20 : x
  2. Step 2: Convert to fraction form
    31,077.60/46,630.80 = 16,303.20/x
  3. Step 3: Cross multiply
    31,077.60x = 46,630.80 × 16,303.20
  4. Step 4: Simplify right side
    31,077.60x = 760,231,258.56
  5. Step 5: Solve for x
    x = 760,231,258.56/31,077.60
  6. Step 6: Final answer
    x = 24,462.35

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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.