Home / 45,938.31-63,400.74-28,029.51

Finding the Fourth Proportional to 45,938.31, 63,400.74 and 28,029.51

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Solution

The fourth proportional to 45,938.31, 63,400.74 and 28,029.51 is: 38,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,938.31 : 63,400.74 = 28,029.51 : x
  2. Step 2: Convert to fraction form
    45,938.31/63,400.74 = 28,029.51/x
  3. Step 3: Cross multiply
    45,938.31x = 63,400.74 × 28,029.51
  4. Step 4: Simplify right side
    45,938.31x = 1,777,091,808.48
  5. Step 5: Solve for x
    x = 1,777,091,808.48/45,938.31
  6. Step 6: Final answer
    x = 38,684.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.