Home / 30,353.10-45,527.52-8,165.98

Finding the Fourth Proportional to 30,353.10, 45,527.52 and 8,165.98

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Solution

The fourth proportional to 30,353.10, 45,527.52 and 8,165.98 is: 12,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.10 : 45,527.52 = 8,165.98 : x
  2. Step 2: Convert to fraction form
    30,353.10/45,527.52 = 8,165.98/x
  3. Step 3: Cross multiply
    30,353.10x = 45,527.52 × 8,165.98
  4. Step 4: Simplify right side
    30,353.10x = 371,776,817.77
  5. Step 5: Solve for x
    x = 371,776,817.77/30,353.10
  6. Step 6: Final answer
    x = 12,248.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.