Home / 54,573.45-75,315.74-30,698.70

Finding the Fourth Proportional to 54,573.45, 75,315.74 and 30,698.70

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Solution

The fourth proportional to 54,573.45, 75,315.74 and 30,698.70 is: 42,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,573.45 : 75,315.74 = 30,698.70 : x
  2. Step 2: Convert to fraction form
    54,573.45/75,315.74 = 30,698.70/x
  3. Step 3: Cross multiply
    54,573.45x = 75,315.74 × 30,698.70
  4. Step 4: Simplify right side
    54,573.45x = 2,312,095,154.04
  5. Step 5: Solve for x
    x = 2,312,095,154.04/54,573.45
  6. Step 6: Final answer
    x = 42,366.67

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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.