Home / 30,493.04-42,079.44-17,065.40

Finding the Fourth Proportional to 30,493.04, 42,079.44 and 17,065.40

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Solution

The fourth proportional to 30,493.04, 42,079.44 and 17,065.40 is: 23,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,493.04 : 42,079.44 = 17,065.40 : x
  2. Step 2: Convert to fraction form
    30,493.04/42,079.44 = 17,065.40/x
  3. Step 3: Cross multiply
    30,493.04x = 42,079.44 × 17,065.40
  4. Step 4: Simplify right side
    30,493.04x = 718,102,475.38
  5. Step 5: Solve for x
    x = 718,102,475.38/30,493.04
  6. Step 6: Final answer
    x = 23,549.72

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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.