Home / 30,817.34-42,527.93-16,670.18

Finding the Fourth Proportional to 30,817.34, 42,527.93 and 16,670.18

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Solution

The fourth proportional to 30,817.34, 42,527.93 and 16,670.18 is: 23,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,817.34 : 42,527.93 = 16,670.18 : x
  2. Step 2: Convert to fraction form
    30,817.34/42,527.93 = 16,670.18/x
  3. Step 3: Cross multiply
    30,817.34x = 42,527.93 × 16,670.18
  4. Step 4: Simplify right side
    30,817.34x = 708,948,271.10
  5. Step 5: Solve for x
    x = 708,948,271.10/30,817.34
  6. Step 6: Final answer
    x = 23,004.85

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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.