Home / 31,065.60-46,612.80-16,291.20

Finding the Fourth Proportional to 31,065.60, 46,612.80 and 16,291.20

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Solution

The fourth proportional to 31,065.60, 46,612.80 and 16,291.20 is: 24,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065.60 : 46,612.80 = 16,291.20 : x
  2. Step 2: Convert to fraction form
    31,065.60/46,612.80 = 16,291.20/x
  3. Step 3: Cross multiply
    31,065.60x = 46,612.80 × 16,291.20
  4. Step 4: Simplify right side
    31,065.60x = 759,378,447.36
  5. Step 5: Solve for x
    x = 759,378,447.36/31,065.60
  6. Step 6: Final answer
    x = 24,444.35

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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.