Home / 42,464.80-63,698.66-19,091.32

Finding the Fourth Proportional to 42,464.80, 63,698.66 and 19,091.32

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Solution

The fourth proportional to 42,464.80, 63,698.66 and 19,091.32 is: 28,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,464.80 : 63,698.66 = 19,091.32 : x
  2. Step 2: Convert to fraction form
    42,464.80/63,698.66 = 19,091.32/x
  3. Step 3: Cross multiply
    42,464.80x = 63,698.66 × 19,091.32
  4. Step 4: Simplify right side
    42,464.80x = 1,216,091,501.63
  5. Step 5: Solve for x
    x = 1,216,091,501.63/42,464.80
  6. Step 6: Final answer
    x = 28,637.64

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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.