Home / 42,805.40-59,127.89-32,856.77

Finding the Fourth Proportional to 42,805.40, 59,127.89 and 32,856.77

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Solution

The fourth proportional to 42,805.40, 59,127.89 and 32,856.77 is: 45,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,805.40 : 59,127.89 = 32,856.77 : x
  2. Step 2: Convert to fraction form
    42,805.40/59,127.89 = 32,856.77/x
  3. Step 3: Cross multiply
    42,805.40x = 59,127.89 × 32,856.77
  4. Step 4: Simplify right side
    42,805.40x = 1,942,751,318.03
  5. Step 5: Solve for x
    x = 1,942,751,318.03/42,805.40
  6. Step 6: Final answer
    x = 45,385.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.