Home / 41,123.17-61,675.53-18,915.21

Finding the Fourth Proportional to 41,123.17, 61,675.53 and 18,915.21

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Solution

The fourth proportional to 41,123.17, 61,675.53 and 18,915.21 is: 28,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,123.17 : 61,675.53 = 18,915.21 : x
  2. Step 2: Convert to fraction form
    41,123.17/61,675.53 = 18,915.21/x
  3. Step 3: Cross multiply
    41,123.17x = 61,675.53 × 18,915.21
  4. Step 4: Simplify right side
    41,123.17x = 1,166,605,601.81
  5. Step 5: Solve for x
    x = 1,166,605,601.81/41,123.17
  6. Step 6: Final answer
    x = 28,368.57

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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.