Home / 45,303.24-67,941.90-14,130.12

Finding the Fourth Proportional to 45,303.24, 67,941.90 and 14,130.12

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Solution

The fourth proportional to 45,303.24, 67,941.90 and 14,130.12 is: 21,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,303.24 : 67,941.90 = 14,130.12 : x
  2. Step 2: Convert to fraction form
    45,303.24/67,941.90 = 14,130.12/x
  3. Step 3: Cross multiply
    45,303.24x = 67,941.90 × 14,130.12
  4. Step 4: Simplify right side
    45,303.24x = 960,027,200.03
  5. Step 5: Solve for x
    x = 960,027,200.03/45,303.24
  6. Step 6: Final answer
    x = 21,191.14

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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.