Home / 55,572.98-76,683.57-31,698.23

Finding the Fourth Proportional to 55,572.98, 76,683.57 and 31,698.23

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Solution

The fourth proportional to 55,572.98, 76,683.57 and 31,698.23 is: 43,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,572.98 : 76,683.57 = 31,698.23 : x
  2. Step 2: Convert to fraction form
    55,572.98/76,683.57 = 31,698.23/x
  3. Step 3: Cross multiply
    55,572.98x = 76,683.57 × 31,698.23
  4. Step 4: Simplify right side
    55,572.98x = 2,430,733,457.29
  5. Step 5: Solve for x
    x = 2,430,733,457.29/55,572.98
  6. Step 6: Final answer
    x = 43,739.48

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Double scale
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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.