Home / 31,098.60-46,648.08-12,370.32

Finding the Fourth Proportional to 31,098.60, 46,648.08 and 12,370.32

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Solution

The fourth proportional to 31,098.60, 46,648.08 and 12,370.32 is: 18,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,098.60 : 46,648.08 = 12,370.32 : x
  2. Step 2: Convert to fraction form
    31,098.60/46,648.08 = 12,370.32/x
  3. Step 3: Cross multiply
    31,098.60x = 46,648.08 × 12,370.32
  4. Step 4: Simplify right side
    31,098.60x = 577,051,676.99
  5. Step 5: Solve for x
    x = 577,051,676.99/31,098.60
  6. Step 6: Final answer
    x = 18,555.55

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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.