Home / 55,259.11-82,921.47-21,970.24

Finding the Fourth Proportional to 55,259.11, 82,921.47 and 21,970.24

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Solution

The fourth proportional to 55,259.11, 82,921.47 and 21,970.24 is: 32,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.11 : 82,921.47 = 21,970.24 : x
  2. Step 2: Convert to fraction form
    55,259.11/82,921.47 = 21,970.24/x
  3. Step 3: Cross multiply
    55,259.11x = 82,921.47 × 21,970.24
  4. Step 4: Simplify right side
    55,259.11x = 1,821,804,597.05
  5. Step 5: Solve for x
    x = 1,821,804,597.05/55,259.11
  6. Step 6: Final answer
    x = 32,968.40

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1.5x scale

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.