Home / 50,483.16-69,637.86-31,587.48

Finding the Fourth Proportional to 50,483.16, 69,637.86 and 31,587.48

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Solution

The fourth proportional to 50,483.16, 69,637.86 and 31,587.48 is: 43,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,483.16 : 69,637.86 = 31,587.48 : x
  2. Step 2: Convert to fraction form
    50,483.16/69,637.86 = 31,587.48/x
  3. Step 3: Cross multiply
    50,483.16x = 69,637.86 × 31,587.48
  4. Step 4: Simplify right side
    50,483.16x = 2,199,684,509.99
  5. Step 5: Solve for x
    x = 2,199,684,509.99/50,483.16
  6. Step 6: Final answer
    x = 43,572.64

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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.