Home / 30,923.12-46,392.30-14,294.72

Finding the Fourth Proportional to 30,923.12, 46,392.30 and 14,294.72

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Solution

The fourth proportional to 30,923.12, 46,392.30 and 14,294.72 is: 21,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.12 : 46,392.30 = 14,294.72 : x
  2. Step 2: Convert to fraction form
    30,923.12/46,392.30 = 14,294.72/x
  3. Step 3: Cross multiply
    30,923.12x = 46,392.30 × 14,294.72
  4. Step 4: Simplify right side
    30,923.12x = 663,164,938.66
  5. Step 5: Solve for x
    x = 663,164,938.66/30,923.12
  6. Step 6: Final answer
    x = 21,445.60

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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.