Home / 53,852.20-80,864.70-36,399.40

Finding the Fourth Proportional to 53,852.20, 80,864.70 and 36,399.40

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Solution

The fourth proportional to 53,852.20, 80,864.70 and 36,399.40 is: 54,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,852.20 : 80,864.70 = 36,399.40 : x
  2. Step 2: Convert to fraction form
    53,852.20/80,864.70 = 36,399.40/x
  3. Step 3: Cross multiply
    53,852.20x = 80,864.70 × 36,399.40
  4. Step 4: Simplify right side
    53,852.20x = 2,943,426,561.18
  5. Step 5: Solve for x
    x = 2,943,426,561.18/53,852.20
  6. Step 6: Final answer
    x = 54,657.50

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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.