Home / 31,454.12-47,158.28-14,804.90

Finding the Fourth Proportional to 31,454.12, 47,158.28 and 14,804.90

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Solution

The fourth proportional to 31,454.12, 47,158.28 and 14,804.90 is: 22,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.12 : 47,158.28 = 14,804.90 : x
  2. Step 2: Convert to fraction form
    31,454.12/47,158.28 = 14,804.90/x
  3. Step 3: Cross multiply
    31,454.12x = 47,158.28 × 14,804.90
  4. Step 4: Simplify right side
    31,454.12x = 698,173,309.76
  5. Step 5: Solve for x
    x = 698,173,309.76/31,454.12
  6. Step 6: Final answer
    x = 22,196.57

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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.