Home / 35,775.42-53,663.13-13,588.74

Finding the Fourth Proportional to 35,775.42, 53,663.13 and 13,588.74

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Solution

The fourth proportional to 35,775.42, 53,663.13 and 13,588.74 is: 20,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.42 : 53,663.13 = 13,588.74 : x
  2. Step 2: Convert to fraction form
    35,775.42/53,663.13 = 13,588.74/x
  3. Step 3: Cross multiply
    35,775.42x = 53,663.13 × 13,588.74
  4. Step 4: Simplify right side
    35,775.42x = 729,214,321.16
  5. Step 5: Solve for x
    x = 729,214,321.16/35,775.42
  6. Step 6: Final answer
    x = 20,383.11

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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.