Home / 42,903.64-64,355.06-11,738.84

Finding the Fourth Proportional to 42,903.64, 64,355.06 and 11,738.84

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Solution

The fourth proportional to 42,903.64, 64,355.06 and 11,738.84 is: 17,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.64 : 64,355.06 = 11,738.84 : x
  2. Step 2: Convert to fraction form
    42,903.64/64,355.06 = 11,738.84/x
  3. Step 3: Cross multiply
    42,903.64x = 64,355.06 × 11,738.84
  4. Step 4: Simplify right side
    42,903.64x = 755,453,752.53
  5. Step 5: Solve for x
    x = 755,453,752.53/42,903.64
  6. Step 6: Final answer
    x = 17,608.15

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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.