Home / 30,082.74-45,123.60-10,360.86

Finding the Fourth Proportional to 30,082.74, 45,123.60 and 10,360.86

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Solution

The fourth proportional to 30,082.74, 45,123.60 and 10,360.86 is: 15,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.74 : 45,123.60 = 10,360.86 : x
  2. Step 2: Convert to fraction form
    30,082.74/45,123.60 = 10,360.86/x
  3. Step 3: Cross multiply
    30,082.74x = 45,123.60 × 10,360.86
  4. Step 4: Simplify right side
    30,082.74x = 467,519,302.30
  5. Step 5: Solve for x
    x = 467,519,302.30/30,082.74
  6. Step 6: Final answer
    x = 15,541.11

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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.