Home / 55,534.30-76,649.63-38,330.81

Finding the Fourth Proportional to 55,534.30, 76,649.63 and 38,330.81

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Solution

The fourth proportional to 55,534.30, 76,649.63 and 38,330.81 is: 52,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,534.30 : 76,649.63 = 38,330.81 : x
  2. Step 2: Convert to fraction form
    55,534.30/76,649.63 = 38,330.81/x
  3. Step 3: Cross multiply
    55,534.30x = 76,649.63 × 38,330.81
  4. Step 4: Simplify right side
    55,534.30x = 2,938,042,212.45
  5. Step 5: Solve for x
    x = 2,938,042,212.45/55,534.30
  6. Step 6: Final answer
    x = 52,905.01

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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.