Home / 30,804.13-42,471.18-25,706.98

Finding the Fourth Proportional to 30,804.13, 42,471.18 and 25,706.98

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Solution

The fourth proportional to 30,804.13, 42,471.18 and 25,706.98 is: 35,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804.13 : 42,471.18 = 25,706.98 : x
  2. Step 2: Convert to fraction form
    30,804.13/42,471.18 = 25,706.98/x
  3. Step 3: Cross multiply
    30,804.13x = 42,471.18 × 25,706.98
  4. Step 4: Simplify right side
    30,804.13x = 1,091,805,774.84
  5. Step 5: Solve for x
    x = 1,091,805,774.84/30,804.13
  6. Step 6: Final answer
    x = 35,443.49

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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.