Home / 47,763.81-71,645.63-12,703.47

Finding the Fourth Proportional to 47,763.81, 71,645.63 and 12,703.47

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Solution

The fourth proportional to 47,763.81, 71,645.63 and 12,703.47 is: 19,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,763.81 : 71,645.63 = 12,703.47 : x
  2. Step 2: Convert to fraction form
    47,763.81/71,645.63 = 12,703.47/x
  3. Step 3: Cross multiply
    47,763.81x = 71,645.63 × 12,703.47
  4. Step 4: Simplify right side
    47,763.81x = 910,147,779.15
  5. Step 5: Solve for x
    x = 910,147,779.15/47,763.81
  6. Step 6: Final answer
    x = 19,055.18

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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.