Home / 30,799.16-42,502.94-16,652.10

Finding the Fourth Proportional to 30,799.16, 42,502.94 and 16,652.10

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Solution

The fourth proportional to 30,799.16, 42,502.94 and 16,652.10 is: 22,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.16 : 42,502.94 = 16,652.10 : x
  2. Step 2: Convert to fraction form
    30,799.16/42,502.94 = 16,652.10/x
  3. Step 3: Cross multiply
    30,799.16x = 42,502.94 × 16,652.10
  4. Step 4: Simplify right side
    30,799.16x = 707,763,123.91
  5. Step 5: Solve for x
    x = 707,763,123.91/30,799.16
  6. Step 6: Final answer
    x = 22,979.95

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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.