Home / 30,854.99-42,548.05-26,393.51

Finding the Fourth Proportional to 30,854.99, 42,548.05 and 26,393.51

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Solution

The fourth proportional to 30,854.99, 42,548.05 and 26,393.51 is: 36,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.99 : 42,548.05 = 26,393.51 : x
  2. Step 2: Convert to fraction form
    30,854.99/42,548.05 = 26,393.51/x
  3. Step 3: Cross multiply
    30,854.99x = 42,548.05 × 26,393.51
  4. Step 4: Simplify right side
    30,854.99x = 1,122,992,383.16
  5. Step 5: Solve for x
    x = 1,122,992,383.16/30,854.99
  6. Step 6: Final answer
    x = 36,395.81

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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.