Home / 50,089.89-75,015.56-28,985.45

Finding the Fourth Proportional to 50,089.89, 75,015.56 and 28,985.45

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Solution

The fourth proportional to 50,089.89, 75,015.56 and 28,985.45 is: 43,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,089.89 : 75,015.56 = 28,985.45 : x
  2. Step 2: Convert to fraction form
    50,089.89/75,015.56 = 28,985.45/x
  3. Step 3: Cross multiply
    50,089.89x = 75,015.56 × 28,985.45
  4. Step 4: Simplify right side
    50,089.89x = 2,174,360,023.60
  5. Step 5: Solve for x
    x = 2,174,360,023.60/50,089.89
  6. Step 6: Final answer
    x = 43,409.16

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1.5x scale

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.