Home / 56,685.40-84,955.20-34,475.20

Finding the Fourth Proportional to 56,685.40, 84,955.20 and 34,475.20

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Solution

The fourth proportional to 56,685.40, 84,955.20 and 34,475.20 is: 51,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685.40 : 84,955.20 = 34,475.20 : x
  2. Step 2: Convert to fraction form
    56,685.40/84,955.20 = 34,475.20/x
  3. Step 3: Cross multiply
    56,685.40x = 84,955.20 × 34,475.20
  4. Step 4: Simplify right side
    56,685.40x = 2,928,847,511.04
  5. Step 5: Solve for x
    x = 2,928,847,511.04/56,685.40
  6. Step 6: Final answer
    x = 51,668.46

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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.