Home / 30,181.61-45,319.80-25,562.18

Finding the Fourth Proportional to 30,181.61, 45,319.80 and 25,562.18

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Solution

The fourth proportional to 30,181.61, 45,319.80 and 25,562.18 is: 38,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.61 : 45,319.80 = 25,562.18 : x
  2. Step 2: Convert to fraction form
    30,181.61/45,319.80 = 25,562.18/x
  3. Step 3: Cross multiply
    30,181.61x = 45,319.80 × 25,562.18
  4. Step 4: Simplify right side
    30,181.61x = 1,158,473,094.32
  5. Step 5: Solve for x
    x = 1,158,473,094.32/30,181.61
  6. Step 6: Final answer
    x = 38,383.41

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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.