Home / 35,852.28-53,778.24-12,478.56

Finding the Fourth Proportional to 35,852.28, 53,778.24 and 12,478.56

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Solution

The fourth proportional to 35,852.28, 53,778.24 and 12,478.56 is: 18,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,852.28 : 53,778.24 = 12,478.56 : x
  2. Step 2: Convert to fraction form
    35,852.28/53,778.24 = 12,478.56/x
  3. Step 3: Cross multiply
    35,852.28x = 53,778.24 × 12,478.56
  4. Step 4: Simplify right side
    35,852.28x = 671,074,994.53
  5. Step 5: Solve for x
    x = 671,074,994.53/35,852.28
  6. Step 6: Final answer
    x = 18,717.78

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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.