Home / 55,423.64-76,484.69-31,550.31

Finding the Fourth Proportional to 55,423.64, 76,484.69 and 31,550.31

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Solution

The fourth proportional to 55,423.64, 76,484.69 and 31,550.31 is: 43,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.64 : 76,484.69 = 31,550.31 : x
  2. Step 2: Convert to fraction form
    55,423.64/76,484.69 = 31,550.31/x
  3. Step 3: Cross multiply
    55,423.64x = 76,484.69 × 31,550.31
  4. Step 4: Simplify right side
    55,423.64x = 2,413,115,640.32
  5. Step 5: Solve for x
    x = 2,413,115,640.32/55,423.64
  6. Step 6: Final answer
    x = 43,539.46

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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.