Home / 48,035.72-66,274.26-31,049.30

Finding the Fourth Proportional to 48,035.72, 66,274.26 and 31,049.30

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Solution

The fourth proportional to 48,035.72, 66,274.26 and 31,049.30 is: 42,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,035.72 : 66,274.26 = 31,049.30 : x
  2. Step 2: Convert to fraction form
    48,035.72/66,274.26 = 31,049.30/x
  3. Step 3: Cross multiply
    48,035.72x = 66,274.26 × 31,049.30
  4. Step 4: Simplify right side
    48,035.72x = 2,057,769,381.02
  5. Step 5: Solve for x
    x = 2,057,769,381.02/48,035.72
  6. Step 6: Final answer
    x = 42,838.32

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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.