Home / 42,631.92-63,864.81-25,950.60

Finding the Fourth Proportional to 42,631.92, 63,864.81 and 25,950.60

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Solution

The fourth proportional to 42,631.92, 63,864.81 and 25,950.60 is: 38,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.92 : 63,864.81 = 25,950.60 : x
  2. Step 2: Convert to fraction form
    42,631.92/63,864.81 = 25,950.60/x
  3. Step 3: Cross multiply
    42,631.92x = 63,864.81 × 25,950.60
  4. Step 4: Simplify right side
    42,631.92x = 1,657,330,138.39
  5. Step 5: Solve for x
    x = 1,657,330,138.39/42,631.92
  6. Step 6: Final answer
    x = 38,875.33

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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.