Home / 30,888.96-46,307.52-12,433.92

Finding the Fourth Proportional to 30,888.96, 46,307.52 and 12,433.92

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Solution

The fourth proportional to 30,888.96, 46,307.52 and 12,433.92 is: 18,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.96 : 46,307.52 = 12,433.92 : x
  2. Step 2: Convert to fraction form
    30,888.96/46,307.52 = 12,433.92/x
  3. Step 3: Cross multiply
    30,888.96x = 46,307.52 × 12,433.92
  4. Step 4: Simplify right side
    30,888.96x = 575,783,999.08
  5. Step 5: Solve for x
    x = 575,783,999.08/30,888.96
  6. Step 6: Final answer
    x = 18,640.45

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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.