Home / 53,560.20-80,426.70-36,107.40

Finding the Fourth Proportional to 53,560.20, 80,426.70 and 36,107.40

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Solution

The fourth proportional to 53,560.20, 80,426.70 and 36,107.40 is: 54,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,560.20 : 80,426.70 = 36,107.40 : x
  2. Step 2: Convert to fraction form
    53,560.20/80,426.70 = 36,107.40/x
  3. Step 3: Cross multiply
    53,560.20x = 80,426.70 × 36,107.40
  4. Step 4: Simplify right side
    53,560.20x = 2,903,999,027.58
  5. Step 5: Solve for x
    x = 2,903,999,027.58/53,560.20
  6. Step 6: Final answer
    x = 54,219.35

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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.