Home / 30,979.22-42,710.13-24,627.20

Finding the Fourth Proportional to 30,979.22, 42,710.13 and 24,627.20

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Solution

The fourth proportional to 30,979.22, 42,710.13 and 24,627.20 is: 33,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.22 : 42,710.13 = 24,627.20 : x
  2. Step 2: Convert to fraction form
    30,979.22/42,710.13 = 24,627.20/x
  3. Step 3: Cross multiply
    30,979.22x = 42,710.13 × 24,627.20
  4. Step 4: Simplify right side
    30,979.22x = 1,051,830,699.99
  5. Step 5: Solve for x
    x = 1,051,830,699.99/30,979.22
  6. Step 6: Final answer
    x = 33,952.79

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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.