Home / 45,886.15-68,814.64-31,189.51

Finding the Fourth Proportional to 45,886.15, 68,814.64 and 31,189.51

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Solution

The fourth proportional to 45,886.15, 68,814.64 and 31,189.51 is: 46,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,886.15 : 68,814.64 = 31,189.51 : x
  2. Step 2: Convert to fraction form
    45,886.15/68,814.64 = 31,189.51/x
  3. Step 3: Cross multiply
    45,886.15x = 68,814.64 × 31,189.51
  4. Step 4: Simplify right side
    45,886.15x = 2,146,294,902.43
  5. Step 5: Solve for x
    x = 2,146,294,902.43/45,886.15
  6. Step 6: Final answer
    x = 46,774.35

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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.