Home / 55,714.50-76,886.01-30,564.54

Finding the Fourth Proportional to 55,714.50, 76,886.01 and 30,564.54

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Solution

The fourth proportional to 55,714.50, 76,886.01 and 30,564.54 is: 42,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,714.50 : 76,886.01 = 30,564.54 : x
  2. Step 2: Convert to fraction form
    55,714.50/76,886.01 = 30,564.54/x
  3. Step 3: Cross multiply
    55,714.50x = 76,886.01 × 30,564.54
  4. Step 4: Simplify right side
    55,714.50x = 2,349,985,528.09
  5. Step 5: Solve for x
    x = 2,349,985,528.09/55,714.50
  6. Step 6: Final answer
    x = 42,179.07

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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.