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Finding the Fourth Proportional to 35,683.68, 53,483 and 14,622.88

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Solution

The fourth proportional to 35,683.68, 53,483 and 14,622.88 is: 21,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,683.68 : 53,483 = 14,622.88 : x
  2. Step 2: Convert to fraction form
    35,683.68/53,483 = 14,622.88/x
  3. Step 3: Cross multiply
    35,683.68x = 53,483 × 14,622.88
  4. Step 4: Simplify right side
    35,683.68x = 782,075,491.04
  5. Step 5: Solve for x
    x = 782,075,491.04/35,683.68
  6. Step 6: Final answer
    x = 21,916.90

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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.