Home / 45,535.77-67,947.49-40,807.60

Finding the Fourth Proportional to 45,535.77, 67,947.49 and 40,807.60

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Solution

The fourth proportional to 45,535.77, 67,947.49 and 40,807.60 is: 60,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,535.77 : 67,947.49 = 40,807.60 : x
  2. Step 2: Convert to fraction form
    45,535.77/67,947.49 = 40,807.60/x
  3. Step 3: Cross multiply
    45,535.77x = 67,947.49 × 40,807.60
  4. Step 4: Simplify right side
    45,535.77x = 2,772,773,992.92
  5. Step 5: Solve for x
    x = 2,772,773,992.92/45,535.77
  6. Step 6: Final answer
    x = 60,892.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.