Home / 35,176.23-52,765.02-12,978.18

Finding the Fourth Proportional to 35,176.23, 52,765.02 and 12,978.18

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Solution

The fourth proportional to 35,176.23, 52,765.02 and 12,978.18 is: 19,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,176.23 : 52,765.02 = 12,978.18 : x
  2. Step 2: Convert to fraction form
    35,176.23/52,765.02 = 12,978.18/x
  3. Step 3: Cross multiply
    35,176.23x = 52,765.02 × 12,978.18
  4. Step 4: Simplify right side
    35,176.23x = 684,793,927.26
  5. Step 5: Solve for x
    x = 684,793,927.26/35,176.23
  6. Step 6: Final answer
    x = 19,467.52

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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.