Home / 45,443.40-68,171.56-14,281.08

Finding the Fourth Proportional to 45,443.40, 68,171.56 and 14,281.08

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Solution

The fourth proportional to 45,443.40, 68,171.56 and 14,281.08 is: 21,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,443.40 : 68,171.56 = 14,281.08 : x
  2. Step 2: Convert to fraction form
    45,443.40/68,171.56 = 14,281.08/x
  3. Step 3: Cross multiply
    45,443.40x = 68,171.56 × 14,281.08
  4. Step 4: Simplify right side
    45,443.40x = 973,563,502.08
  5. Step 5: Solve for x
    x = 973,563,502.08/45,443.40
  6. Step 6: Final answer
    x = 21,423.65

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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.