Home / 53,248.85-79,870.96-13,268.01

Finding the Fourth Proportional to 53,248.85, 79,870.96 and 13,268.01

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Solution

The fourth proportional to 53,248.85, 79,870.96 and 13,268.01 is: 19,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,248.85 : 79,870.96 = 13,268.01 : x
  2. Step 2: Convert to fraction form
    53,248.85/79,870.96 = 13,268.01/x
  3. Step 3: Cross multiply
    53,248.85x = 79,870.96 × 13,268.01
  4. Step 4: Simplify right side
    53,248.85x = 1,059,728,695.99
  5. Step 5: Solve for x
    x = 1,059,728,695.99/53,248.85
  6. Step 6: Final answer
    x = 19,901.44

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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.