Home / 53,369.48-73,643.52-31,855.28

Finding the Fourth Proportional to 53,369.48, 73,643.52 and 31,855.28

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Solution

The fourth proportional to 53,369.48, 73,643.52 and 31,855.28 is: 43,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,369.48 : 73,643.52 = 31,855.28 : x
  2. Step 2: Convert to fraction form
    53,369.48/73,643.52 = 31,855.28/x
  3. Step 3: Cross multiply
    53,369.48x = 73,643.52 × 31,855.28
  4. Step 4: Simplify right side
    53,369.48x = 2,345,934,949.79
  5. Step 5: Solve for x
    x = 2,345,934,949.79/53,369.48
  6. Step 6: Final answer
    x = 43,956.49

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1.5x scale

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.