Home / 31,899.34-47,731.99-26,621.32

Finding the Fourth Proportional to 31,899.34, 47,731.99 and 26,621.32

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Solution

The fourth proportional to 31,899.34, 47,731.99 and 26,621.32 is: 39,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.34 : 47,731.99 = 26,621.32 : x
  2. Step 2: Convert to fraction form
    31,899.34/47,731.99 = 26,621.32/x
  3. Step 3: Cross multiply
    31,899.34x = 47,731.99 × 26,621.32
  4. Step 4: Simplify right side
    31,899.34x = 1,270,688,580.03
  5. Step 5: Solve for x
    x = 1,270,688,580.03/31,899.34
  6. Step 6: Final answer
    x = 39,834.32

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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.