Home / 48,430.31-72,621.77-28,703.57

Finding the Fourth Proportional to 48,430.31, 72,621.77 and 28,703.57

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Solution

The fourth proportional to 48,430.31, 72,621.77 and 28,703.57 is: 43,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,430.31 : 72,621.77 = 28,703.57 : x
  2. Step 2: Convert to fraction form
    48,430.31/72,621.77 = 28,703.57/x
  3. Step 3: Cross multiply
    48,430.31x = 72,621.77 × 28,703.57
  4. Step 4: Simplify right side
    48,430.31x = 2,084,503,552.09
  5. Step 5: Solve for x
    x = 2,084,503,552.09/48,430.31
  6. Step 6: Final answer
    x = 43,041.31

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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.