Home / 39,479.70-54,484.58-22,256.32

Finding the Fourth Proportional to 39,479.70, 54,484.58 and 22,256.32

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Solution

The fourth proportional to 39,479.70, 54,484.58 and 22,256.32 is: 30,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.70 : 54,484.58 = 22,256.32 : x
  2. Step 2: Convert to fraction form
    39,479.70/54,484.58 = 22,256.32/x
  3. Step 3: Cross multiply
    39,479.70x = 54,484.58 × 22,256.32
  4. Step 4: Simplify right side
    39,479.70x = 1,212,626,247.55
  5. Step 5: Solve for x
    x = 1,212,626,247.55/39,479.70
  6. Step 6: Final answer
    x = 30,715.18

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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.