Home / 35,775.80-53,663.70-12,402.24

Finding the Fourth Proportional to 35,775.80, 53,663.70 and 12,402.24

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Solution

The fourth proportional to 35,775.80, 53,663.70 and 12,402.24 is: 18,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.80 : 53,663.70 = 12,402.24 : x
  2. Step 2: Convert to fraction form
    35,775.80/53,663.70 = 12,402.24/x
  3. Step 3: Cross multiply
    35,775.80x = 53,663.70 × 12,402.24
  4. Step 4: Simplify right side
    35,775.80x = 665,550,086.69
  5. Step 5: Solve for x
    x = 665,550,086.69/35,775.80
  6. Step 6: Final answer
    x = 18,603.36

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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.