Home / 45,424.26-68,136.40-14,259.50

Finding the Fourth Proportional to 45,424.26, 68,136.40 and 14,259.50

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Solution

The fourth proportional to 45,424.26, 68,136.40 and 14,259.50 is: 21,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,424.26 : 68,136.40 = 14,259.50 : x
  2. Step 2: Convert to fraction form
    45,424.26/68,136.40 = 14,259.50/x
  3. Step 3: Cross multiply
    45,424.26x = 68,136.40 × 14,259.50
  4. Step 4: Simplify right side
    45,424.26x = 971,590,995.80
  5. Step 5: Solve for x
    x = 971,590,995.80/45,424.26
  6. Step 6: Final answer
    x = 21,389.25

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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.