Home / 31,620.98-47,454.86-14,981.05

Finding the Fourth Proportional to 31,620.98, 47,454.86 and 14,981.05

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Solution

The fourth proportional to 31,620.98, 47,454.86 and 14,981.05 is: 22,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.98 : 47,454.86 = 14,981.05 : x
  2. Step 2: Convert to fraction form
    31,620.98/47,454.86 = 14,981.05/x
  3. Step 3: Cross multiply
    31,620.98x = 47,454.86 × 14,981.05
  4. Step 4: Simplify right side
    31,620.98x = 710,923,630.40
  5. Step 5: Solve for x
    x = 710,923,630.40/31,620.98
  6. Step 6: Final answer
    x = 22,482.66

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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.