Home / 30,810.42-42,525.36-25,765.88

Finding the Fourth Proportional to 30,810.42, 42,525.36 and 25,765.88

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Solution

The fourth proportional to 30,810.42, 42,525.36 and 25,765.88 is: 35,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,810.42 : 42,525.36 = 25,765.88 : x
  2. Step 2: Convert to fraction form
    30,810.42/42,525.36 = 25,765.88/x
  3. Step 3: Cross multiply
    30,810.42x = 42,525.36 × 25,765.88
  4. Step 4: Simplify right side
    30,810.42x = 1,095,703,322.72
  5. Step 5: Solve for x
    x = 1,095,703,322.72/30,810.42
  6. Step 6: Final answer
    x = 35,562.75

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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.