Home / 30,461.55-45,686.74-13,817.58

Finding the Fourth Proportional to 30,461.55, 45,686.74 and 13,817.58

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Solution

The fourth proportional to 30,461.55, 45,686.74 and 13,817.58 is: 20,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,461.55 : 45,686.74 = 13,817.58 : x
  2. Step 2: Convert to fraction form
    30,461.55/45,686.74 = 13,817.58/x
  3. Step 3: Cross multiply
    30,461.55x = 45,686.74 × 13,817.58
  4. Step 4: Simplify right side
    30,461.55x = 631,280,184.89
  5. Step 5: Solve for x
    x = 631,280,184.89/30,461.55
  6. Step 6: Final answer
    x = 20,723.84

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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.