Home / 31,083.60-46,630.53-12,363.75

Finding the Fourth Proportional to 31,083.60, 46,630.53 and 12,363.75

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Solution

The fourth proportional to 31,083.60, 46,630.53 and 12,363.75 is: 18,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083.60 : 46,630.53 = 12,363.75 : x
  2. Step 2: Convert to fraction form
    31,083.60/46,630.53 = 12,363.75/x
  3. Step 3: Cross multiply
    31,083.60x = 46,630.53 × 12,363.75
  4. Step 4: Simplify right side
    31,083.60x = 576,528,215.29
  5. Step 5: Solve for x
    x = 576,528,215.29/31,083.60
  6. Step 6: Final answer
    x = 18,547.67

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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.