Home / 31,505.63-47,256.88-11,782.74

Finding the Fourth Proportional to 31,505.63, 47,256.88 and 11,782.74

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Solution

The fourth proportional to 31,505.63, 47,256.88 and 11,782.74 is: 17,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.63 : 47,256.88 = 11,782.74 : x
  2. Step 2: Convert to fraction form
    31,505.63/47,256.88 = 11,782.74/x
  3. Step 3: Cross multiply
    31,505.63x = 47,256.88 × 11,782.74
  4. Step 4: Simplify right side
    31,505.63x = 556,815,530.25
  5. Step 5: Solve for x
    x = 556,815,530.25/31,505.63
  6. Step 6: Final answer
    x = 17,673.52

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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.