Home / 50,985.95-70,358.56-28,326.33

Finding the Fourth Proportional to 50,985.95, 70,358.56 and 28,326.33

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Solution

The fourth proportional to 50,985.95, 70,358.56 and 28,326.33 is: 39,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.95 : 70,358.56 = 28,326.33 : x
  2. Step 2: Convert to fraction form
    50,985.95/70,358.56 = 28,326.33/x
  3. Step 3: Cross multiply
    50,985.95x = 70,358.56 × 28,326.33
  4. Step 4: Simplify right side
    50,985.95x = 1,992,999,718.07
  5. Step 5: Solve for x
    x = 1,992,999,718.07/50,985.95
  6. Step 6: Final answer
    x = 39,089.20

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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.