Home / 56,913.40-85,440.30-35,853.40

Finding the Fourth Proportional to 56,913.40, 85,440.30 and 35,853.40

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Solution

The fourth proportional to 56,913.40, 85,440.30 and 35,853.40 is: 53,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.40 : 85,440.30 = 35,853.40 : x
  2. Step 2: Convert to fraction form
    56,913.40/85,440.30 = 35,853.40/x
  3. Step 3: Cross multiply
    56,913.40x = 85,440.30 × 35,853.40
  4. Step 4: Simplify right side
    56,913.40x = 3,063,325,252.02
  5. Step 5: Solve for x
    x = 3,063,325,252.02/56,913.40
  6. Step 6: Final answer
    x = 53,824.32

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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.