Home / 42,450.48-63,657.36-21,377.52

Finding the Fourth Proportional to 42,450.48, 63,657.36 and 21,377.52

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Solution

The fourth proportional to 42,450.48, 63,657.36 and 21,377.52 is: 32,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.48 : 63,657.36 = 21,377.52 : x
  2. Step 2: Convert to fraction form
    42,450.48/63,657.36 = 21,377.52/x
  3. Step 3: Cross multiply
    42,450.48x = 63,657.36 × 21,377.52
  4. Step 4: Simplify right side
    42,450.48x = 1,360,836,486.55
  5. Step 5: Solve for x
    x = 1,360,836,486.55/42,450.48
  6. Step 6: Final answer
    x = 32,057.03

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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.