Home / 42,349.14-63,736.41-31,873.41

Finding the Fourth Proportional to 42,349.14, 63,736.41 and 31,873.41

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Solution

The fourth proportional to 42,349.14, 63,736.41 and 31,873.41 is: 47,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,349.14 : 63,736.41 = 31,873.41 : x
  2. Step 2: Convert to fraction form
    42,349.14/63,736.41 = 31,873.41/x
  3. Step 3: Cross multiply
    42,349.14x = 63,736.41 × 31,873.41
  4. Step 4: Simplify right side
    42,349.14x = 2,031,496,727.86
  5. Step 5: Solve for x
    x = 2,031,496,727.86/42,349.14
  6. Step 6: Final answer
    x = 47,970.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.