Home / 55,656.95-83,485.40-13,536.77

Finding the Fourth Proportional to 55,656.95, 83,485.40 and 13,536.77

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Solution

The fourth proportional to 55,656.95, 83,485.40 and 13,536.77 is: 20,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,656.95 : 83,485.40 = 13,536.77 : x
  2. Step 2: Convert to fraction form
    55,656.95/83,485.40 = 13,536.77/x
  3. Step 3: Cross multiply
    55,656.95x = 83,485.40 × 13,536.77
  4. Step 4: Simplify right side
    55,656.95x = 1,130,122,173.05
  5. Step 5: Solve for x
    x = 1,130,122,173.05/55,656.95
  6. Step 6: Final answer
    x = 20,305.14

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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.