Home / 45,123.84-67,690.08-15,537.60

Finding the Fourth Proportional to 45,123.84, 67,690.08 and 15,537.60

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Solution

The fourth proportional to 45,123.84, 67,690.08 and 15,537.60 is: 23,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123.84 : 67,690.08 = 15,537.60 : x
  2. Step 2: Convert to fraction form
    45,123.84/67,690.08 = 15,537.60/x
  3. Step 3: Cross multiply
    45,123.84x = 67,690.08 × 15,537.60
  4. Step 4: Simplify right side
    45,123.84x = 1,051,741,387.01
  5. Step 5: Solve for x
    x = 1,051,741,387.01/45,123.84
  6. Step 6: Final answer
    x = 23,307.89

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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.