Home / 53,783.37-74,220.84-29,910.15

Finding the Fourth Proportional to 53,783.37, 74,220.84 and 29,910.15

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Solution

The fourth proportional to 53,783.37, 74,220.84 and 29,910.15 is: 41,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,783.37 : 74,220.84 = 29,910.15 : x
  2. Step 2: Convert to fraction form
    53,783.37/74,220.84 = 29,910.15/x
  3. Step 3: Cross multiply
    53,783.37x = 74,220.84 × 29,910.15
  4. Step 4: Simplify right side
    53,783.37x = 2,219,956,457.53
  5. Step 5: Solve for x
    x = 2,219,956,457.53/53,783.37
  6. Step 6: Final answer
    x = 41,275.89

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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.