Home / 31,772.20-47,657.76-12,050.32

Finding the Fourth Proportional to 31,772.20, 47,657.76 and 12,050.32

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Solution

The fourth proportional to 31,772.20, 47,657.76 and 12,050.32 is: 18,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.20 : 47,657.76 = 12,050.32 : x
  2. Step 2: Convert to fraction form
    31,772.20/47,657.76 = 12,050.32/x
  3. Step 3: Cross multiply
    31,772.20x = 47,657.76 × 12,050.32
  4. Step 4: Simplify right side
    31,772.20x = 574,291,258.48
  5. Step 5: Solve for x
    x = 574,291,258.48/31,772.20
  6. Step 6: Final answer
    x = 18,075.28

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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.