Home / 46,629.36-64,358.46-30,715.20

Finding the Fourth Proportional to 46,629.36, 64,358.46 and 30,715.20

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Solution

The fourth proportional to 46,629.36, 64,358.46 and 30,715.20 is: 42,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,629.36 : 64,358.46 = 30,715.20 : x
  2. Step 2: Convert to fraction form
    46,629.36/64,358.46 = 30,715.20/x
  3. Step 3: Cross multiply
    46,629.36x = 64,358.46 × 30,715.20
  4. Step 4: Simplify right side
    46,629.36x = 1,976,782,970.59
  5. Step 5: Solve for x
    x = 1,976,782,970.59/46,629.36
  6. Step 6: Final answer
    x = 42,393.53

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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.