Home / 51,464.08-71,022.36-28,802.98

Finding the Fourth Proportional to 51,464.08, 71,022.36 and 28,802.98

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Solution

The fourth proportional to 51,464.08, 71,022.36 and 28,802.98 is: 39,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,464.08 : 71,022.36 = 28,802.98 : x
  2. Step 2: Convert to fraction form
    51,464.08/71,022.36 = 28,802.98/x
  3. Step 3: Cross multiply
    51,464.08x = 71,022.36 × 28,802.98
  4. Step 4: Simplify right side
    51,464.08x = 2,045,655,614.63
  5. Step 5: Solve for x
    x = 2,045,655,614.63/51,464.08
  6. Step 6: Final answer
    x = 39,749.19

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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.