Home / 35,780.46-53,649.54-13,595.40

Finding the Fourth Proportional to 35,780.46, 53,649.54 and 13,595.40

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Solution

The fourth proportional to 35,780.46, 53,649.54 and 13,595.40 is: 20,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,780.46 : 53,649.54 = 13,595.40 : x
  2. Step 2: Convert to fraction form
    35,780.46/53,649.54 = 13,595.40/x
  3. Step 3: Cross multiply
    35,780.46x = 53,649.54 × 13,595.40
  4. Step 4: Simplify right side
    35,780.46x = 729,386,956.12
  5. Step 5: Solve for x
    x = 729,386,956.12/35,780.46
  6. Step 6: Final answer
    x = 20,385.06

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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.