Home / 45,426.81-68,140.83-14,262.06

Finding the Fourth Proportional to 45,426.81, 68,140.83 and 14,262.06

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Solution

The fourth proportional to 45,426.81, 68,140.83 and 14,262.06 is: 21,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.81 : 68,140.83 = 14,262.06 : x
  2. Step 2: Convert to fraction form
    45,426.81/68,140.83 = 14,262.06/x
  3. Step 3: Cross multiply
    45,426.81x = 68,140.83 × 14,262.06
  4. Step 4: Simplify right side
    45,426.81x = 971,828,605.91
  5. Step 5: Solve for x
    x = 971,828,605.91/45,426.81
  6. Step 6: Final answer
    x = 21,393.28

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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.