Home / 45,946.20-63,400.94-30,835.80

Finding the Fourth Proportional to 45,946.20, 63,400.94 and 30,835.80

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Solution

The fourth proportional to 45,946.20, 63,400.94 and 30,835.80 is: 42,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,946.20 : 63,400.94 = 30,835.80 : x
  2. Step 2: Convert to fraction form
    45,946.20/63,400.94 = 30,835.80/x
  3. Step 3: Cross multiply
    45,946.20x = 63,400.94 × 30,835.80
  4. Step 4: Simplify right side
    45,946.20x = 1,955,018,705.65
  5. Step 5: Solve for x
    x = 1,955,018,705.65/45,946.20
  6. Step 6: Final answer
    x = 42,550.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.