Home / 30,733.65-42,552.41-30,150.45

Finding the Fourth Proportional to 30,733.65, 42,552.41 and 30,150.45

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Solution

The fourth proportional to 30,733.65, 42,552.41 and 30,150.45 is: 41,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733.65 : 42,552.41 = 30,150.45 : x
  2. Step 2: Convert to fraction form
    30,733.65/42,552.41 = 30,150.45/x
  3. Step 3: Cross multiply
    30,733.65x = 42,552.41 × 30,150.45
  4. Step 4: Simplify right side
    30,733.65x = 1,282,974,159.33
  5. Step 5: Solve for x
    x = 1,282,974,159.33/30,733.65
  6. Step 6: Final answer
    x = 41,744.93

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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.