Home / 53,268.26-79,881.63-19,970.16

Finding the Fourth Proportional to 53,268.26, 79,881.63 and 19,970.16

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Solution

The fourth proportional to 53,268.26, 79,881.63 and 19,970.16 is: 29,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.26 : 79,881.63 = 19,970.16 : x
  2. Step 2: Convert to fraction form
    53,268.26/79,881.63 = 19,970.16/x
  3. Step 3: Cross multiply
    53,268.26x = 79,881.63 × 19,970.16
  4. Step 4: Simplify right side
    53,268.26x = 1,595,248,557.72
  5. Step 5: Solve for x
    x = 1,595,248,557.72/53,268.26
  6. Step 6: Final answer
    x = 29,947.45

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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.