Home / 30,595.38-42,216.51-18,022.62

Finding the Fourth Proportional to 30,595.38, 42,216.51 and 18,022.62

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Solution

The fourth proportional to 30,595.38, 42,216.51 and 18,022.62 is: 24,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.38 : 42,216.51 = 18,022.62 : x
  2. Step 2: Convert to fraction form
    30,595.38/42,216.51 = 18,022.62/x
  3. Step 3: Cross multiply
    30,595.38x = 42,216.51 × 18,022.62
  4. Step 4: Simplify right side
    30,595.38x = 760,852,117.46
  5. Step 5: Solve for x
    x = 760,852,117.46/30,595.38
  6. Step 6: Final answer
    x = 24,868.20

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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.