Home / 51,203.48-70,662.30-29,980.76

Finding the Fourth Proportional to 51,203.48, 70,662.30 and 29,980.76

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Solution

The fourth proportional to 51,203.48, 70,662.30 and 29,980.76 is: 41,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,203.48 : 70,662.30 = 29,980.76 : x
  2. Step 2: Convert to fraction form
    51,203.48/70,662.30 = 29,980.76/x
  3. Step 3: Cross multiply
    51,203.48x = 70,662.30 × 29,980.76
  4. Step 4: Simplify right side
    51,203.48x = 2,118,509,457.35
  5. Step 5: Solve for x
    x = 2,118,509,457.35/51,203.48
  6. Step 6: Final answer
    x = 41,374.33

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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.