Home / 56,053.12-84,094.40-20,993.28

Finding the Fourth Proportional to 56,053.12, 84,094.40 and 20,993.28

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Solution

The fourth proportional to 56,053.12, 84,094.40 and 20,993.28 is: 31,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053.12 : 84,094.40 = 20,993.28 : x
  2. Step 2: Convert to fraction form
    56,053.12/84,094.40 = 20,993.28/x
  3. Step 3: Cross multiply
    56,053.12x = 84,094.40 × 20,993.28
  4. Step 4: Simplify right side
    56,053.12x = 1,765,417,285.63
  5. Step 5: Solve for x
    x = 1,765,417,285.63/56,053.12
  6. Step 6: Final answer
    x = 31,495.43

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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.