Home / 20,318.46-30,484.98-14,762.40

Finding the Fourth Proportional to 20,318.46, 30,484.98 and 14,762.40

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Solution

The fourth proportional to 20,318.46, 30,484.98 and 14,762.40 is: 22,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318.46 : 30,484.98 = 14,762.40 : x
  2. Step 2: Convert to fraction form
    20,318.46/30,484.98 = 14,762.40/x
  3. Step 3: Cross multiply
    20,318.46x = 30,484.98 × 14,762.40
  4. Step 4: Simplify right side
    20,318.46x = 450,031,468.75
  5. Step 5: Solve for x
    x = 450,031,468.75/20,318.46
  6. Step 6: Final answer
    x = 22,148.90

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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.