Home / 31,700.44-43,746.53-18,271.58

Finding the Fourth Proportional to 31,700.44, 43,746.53 and 18,271.58

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Solution

The fourth proportional to 31,700.44, 43,746.53 and 18,271.58 is: 25,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.44 : 43,746.53 = 18,271.58 : x
  2. Step 2: Convert to fraction form
    31,700.44/43,746.53 = 18,271.58/x
  3. Step 3: Cross multiply
    31,700.44x = 43,746.53 × 18,271.58
  4. Step 4: Simplify right side
    31,700.44x = 799,318,240.63
  5. Step 5: Solve for x
    x = 799,318,240.63/31,700.44
  6. Step 6: Final answer
    x = 25,214.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.