Home / 45,437.20-68,228.70-30,711.40

Finding the Fourth Proportional to 45,437.20, 68,228.70 and 30,711.40

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Solution

The fourth proportional to 45,437.20, 68,228.70 and 30,711.40 is: 46,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,437.20 : 68,228.70 = 30,711.40 : x
  2. Step 2: Convert to fraction form
    45,437.20/68,228.70 = 30,711.40/x
  3. Step 3: Cross multiply
    45,437.20x = 68,228.70 × 30,711.40
  4. Step 4: Simplify right side
    45,437.20x = 2,095,398,897.18
  5. Step 5: Solve for x
    x = 2,095,398,897.18/45,437.20
  6. Step 6: Final answer
    x = 46,116.37

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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.