Home / 56,090.81-84,066.05-28,018.70

Finding the Fourth Proportional to 56,090.81, 84,066.05 and 28,018.70

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Solution

The fourth proportional to 56,090.81, 84,066.05 and 28,018.70 is: 41,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.81 : 84,066.05 = 28,018.70 : x
  2. Step 2: Convert to fraction form
    56,090.81/84,066.05 = 28,018.70/x
  3. Step 3: Cross multiply
    56,090.81x = 84,066.05 × 28,018.70
  4. Step 4: Simplify right side
    56,090.81x = 2,355,421,435.14
  5. Step 5: Solve for x
    x = 2,355,421,435.14/56,090.81
  6. Step 6: Final answer
    x = 41,993.00

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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.