Home / 56,000.20-84,032.70-20,943.40

Finding the Fourth Proportional to 56,000.20, 84,032.70 and 20,943.40

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Solution

The fourth proportional to 56,000.20, 84,032.70 and 20,943.40 is: 31,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.20 : 84,032.70 = 20,943.40 : x
  2. Step 2: Convert to fraction form
    56,000.20/84,032.70 = 20,943.40/x
  3. Step 3: Cross multiply
    56,000.20x = 84,032.70 × 20,943.40
  4. Step 4: Simplify right side
    56,000.20x = 1,759,930,449.18
  5. Step 5: Solve for x
    x = 1,759,930,449.18/56,000.20
  6. Step 6: Final answer
    x = 31,427.22

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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.