Home / 42,277.08-63,393.64-18,574.92

Finding the Fourth Proportional to 42,277.08, 63,393.64 and 18,574.92

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Solution

The fourth proportional to 42,277.08, 63,393.64 and 18,574.92 is: 27,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,277.08 : 63,393.64 = 18,574.92 : x
  2. Step 2: Convert to fraction form
    42,277.08/63,393.64 = 18,574.92/x
  3. Step 3: Cross multiply
    42,277.08x = 63,393.64 × 18,574.92
  4. Step 4: Simplify right side
    42,277.08x = 1,177,531,791.51
  5. Step 5: Solve for x
    x = 1,177,531,791.51/42,277.08
  6. Step 6: Final answer
    x = 27,852.72

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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.