Home / 30,446.28-42,017.84-17,018.10

Finding the Fourth Proportional to 30,446.28, 42,017.84 and 17,018.10

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Solution

The fourth proportional to 30,446.28, 42,017.84 and 17,018.10 is: 23,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.28 : 42,017.84 = 17,018.10 : x
  2. Step 2: Convert to fraction form
    30,446.28/42,017.84 = 17,018.10/x
  3. Step 3: Cross multiply
    30,446.28x = 42,017.84 × 17,018.10
  4. Step 4: Simplify right side
    30,446.28x = 715,063,717.81
  5. Step 5: Solve for x
    x = 715,063,717.81/30,446.28
  6. Step 6: Final answer
    x = 23,486.08

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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.