Home / 52,303.79-72,179.40-28,430.56

Finding the Fourth Proportional to 52,303.79, 72,179.40 and 28,430.56

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Solution

The fourth proportional to 52,303.79, 72,179.40 and 28,430.56 is: 39,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,303.79 : 72,179.40 = 28,430.56 : x
  2. Step 2: Convert to fraction form
    52,303.79/72,179.40 = 28,430.56/x
  3. Step 3: Cross multiply
    52,303.79x = 72,179.40 × 28,430.56
  4. Step 4: Simplify right side
    52,303.79x = 2,052,100,959.30
  5. Step 5: Solve for x
    x = 2,052,100,959.30/52,303.79
  6. Step 6: Final answer
    x = 39,234.27

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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.