Home / 56,465.32-84,698-30,090.12

Finding the Fourth Proportional to 56,465.32, 84,698 and 30,090.12

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Solution

The fourth proportional to 56,465.32, 84,698 and 30,090.12 is: 45,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,465.32 : 84,698 = 30,090.12 : x
  2. Step 2: Convert to fraction form
    56,465.32/84,698 = 30,090.12/x
  3. Step 3: Cross multiply
    56,465.32x = 84,698 × 30,090.12
  4. Step 4: Simplify right side
    56,465.32x = 2,548,572,983.76
  5. Step 5: Solve for x
    x = 2,548,572,983.76/56,465.32
  6. Step 6: Final answer
    x = 45,135.19

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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.