Home / 35,390.72-53,082.54-12,016.80

Finding the Fourth Proportional to 35,390.72, 53,082.54 and 12,016.80

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Solution

The fourth proportional to 35,390.72, 53,082.54 and 12,016.80 is: 18,024.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.72 : 53,082.54 = 12,016.80 : x
  2. Step 2: Convert to fraction form
    35,390.72/53,082.54 = 12,016.80/x
  3. Step 3: Cross multiply
    35,390.72x = 53,082.54 × 12,016.80
  4. Step 4: Simplify right side
    35,390.72x = 637,882,266.67
  5. Step 5: Solve for x
    x = 637,882,266.67/35,390.72
  6. Step 6: Final answer
    x = 18,024.00

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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.