Home / 30,799.02-42,502.44-16,651.82

Finding the Fourth Proportional to 30,799.02, 42,502.44 and 16,651.82

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Solution

The fourth proportional to 30,799.02, 42,502.44 and 16,651.82 is: 22,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.02 : 42,502.44 = 16,651.82 : x
  2. Step 2: Convert to fraction form
    30,799.02/42,502.44 = 16,651.82/x
  3. Step 3: Cross multiply
    30,799.02x = 42,502.44 × 16,651.82
  4. Step 4: Simplify right side
    30,799.02x = 707,742,980.44
  5. Step 5: Solve for x
    x = 707,742,980.44/30,799.02
  6. Step 6: Final answer
    x = 22,979.40

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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.