Home / 55,938.20-83,777.70-38,312.60

Finding the Fourth Proportional to 55,938.20, 83,777.70 and 38,312.60

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Solution

The fourth proportional to 55,938.20, 83,777.70 and 38,312.60 is: 57,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,938.20 : 83,777.70 = 38,312.60 : x
  2. Step 2: Convert to fraction form
    55,938.20/83,777.70 = 38,312.60/x
  3. Step 3: Cross multiply
    55,938.20x = 83,777.70 × 38,312.60
  4. Step 4: Simplify right side
    55,938.20x = 3,209,741,509.02
  5. Step 5: Solve for x
    x = 3,209,741,509.02/55,938.20
  6. Step 6: Final answer
    x = 57,380.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.