Home / 42,157.39-63,261.40-16,852.38

Finding the Fourth Proportional to 42,157.39, 63,261.40 and 16,852.38

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Solution

The fourth proportional to 42,157.39, 63,261.40 and 16,852.38 is: 25,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.39 : 63,261.40 = 16,852.38 : x
  2. Step 2: Convert to fraction form
    42,157.39/63,261.40 = 16,852.38/x
  3. Step 3: Cross multiply
    42,157.39x = 63,261.40 × 16,852.38
  4. Step 4: Simplify right side
    42,157.39x = 1,066,105,152.13
  5. Step 5: Solve for x
    x = 1,066,105,152.13/42,157.39
  6. Step 6: Final answer
    x = 25,288.69

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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.