Home / 47,875.26-71,779.58-21,206.77

Finding the Fourth Proportional to 47,875.26, 71,779.58 and 21,206.77

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Solution

The fourth proportional to 47,875.26, 71,779.58 and 21,206.77 is: 31,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,875.26 : 71,779.58 = 21,206.77 : x
  2. Step 2: Convert to fraction form
    47,875.26/71,779.58 = 21,206.77/x
  3. Step 3: Cross multiply
    47,875.26x = 71,779.58 × 21,206.77
  4. Step 4: Simplify right side
    47,875.26x = 1,522,213,043.76
  5. Step 5: Solve for x
    x = 1,522,213,043.76/47,875.26
  6. Step 6: Final answer
    x = 31,795.40

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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.