Home / 42,725.52-64,032.54-30,919.06

Finding the Fourth Proportional to 42,725.52, 64,032.54 and 30,919.06

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Solution

The fourth proportional to 42,725.52, 64,032.54 and 30,919.06 is: 46,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,725.52 : 64,032.54 = 30,919.06 : x
  2. Step 2: Convert to fraction form
    42,725.52/64,032.54 = 30,919.06/x
  3. Step 3: Cross multiply
    42,725.52x = 64,032.54 × 30,919.06
  4. Step 4: Simplify right side
    42,725.52x = 1,979,825,946.21
  5. Step 5: Solve for x
    x = 1,979,825,946.21/42,725.52
  6. Step 6: Final answer
    x = 46,338.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.