Home / 30,855.99-42,549.44-26,394.51

Finding the Fourth Proportional to 30,855.99, 42,549.44 and 26,394.51

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Solution

The fourth proportional to 30,855.99, 42,549.44 and 26,394.51 is: 36,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.99 : 42,549.44 = 26,394.51 : x
  2. Step 2: Convert to fraction form
    30,855.99/42,549.44 = 26,394.51/x
  3. Step 3: Cross multiply
    30,855.99x = 42,549.44 × 26,394.51
  4. Step 4: Simplify right side
    30,855.99x = 1,123,071,487.60
  5. Step 5: Solve for x
    x = 1,123,071,487.60/30,855.99
  6. Step 6: Final answer
    x = 36,397.20

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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.