Home / 56,212.20-84,342.60-28,510.20

Finding the Fourth Proportional to 56,212.20, 84,342.60 and 28,510.20

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Solution

The fourth proportional to 56,212.20, 84,342.60 and 28,510.20 is: 42,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,212.20 : 84,342.60 = 28,510.20 : x
  2. Step 2: Convert to fraction form
    56,212.20/84,342.60 = 28,510.20/x
  3. Step 3: Cross multiply
    56,212.20x = 84,342.60 × 28,510.20
  4. Step 4: Simplify right side
    56,212.20x = 2,404,624,394.52
  5. Step 5: Solve for x
    x = 2,404,624,394.52/56,212.20
  6. Step 6: Final answer
    x = 42,777.62

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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.