Home / 34,623.22-47,779.32-19,515.88

Finding the Fourth Proportional to 34,623.22, 47,779.32 and 19,515.88

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Solution

The fourth proportional to 34,623.22, 47,779.32 and 19,515.88 is: 26,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,623.22 : 47,779.32 = 19,515.88 : x
  2. Step 2: Convert to fraction form
    34,623.22/47,779.32 = 19,515.88/x
  3. Step 3: Cross multiply
    34,623.22x = 47,779.32 × 19,515.88
  4. Step 4: Simplify right side
    34,623.22x = 932,455,475.60
  5. Step 5: Solve for x
    x = 932,455,475.60/34,623.22
  6. Step 6: Final answer
    x = 26,931.51

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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.