Home / 35,475.51-48,963.30-20,378.53

Finding the Fourth Proportional to 35,475.51, 48,963.30 and 20,378.53

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Solution

The fourth proportional to 35,475.51, 48,963.30 and 20,378.53 is: 28,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,475.51 : 48,963.30 = 20,378.53 : x
  2. Step 2: Convert to fraction form
    35,475.51/48,963.30 = 20,378.53/x
  3. Step 3: Cross multiply
    35,475.51x = 48,963.30 × 20,378.53
  4. Step 4: Simplify right side
    35,475.51x = 997,799,731.24
  5. Step 5: Solve for x
    x = 997,799,731.24/35,475.51
  6. Step 6: Final answer
    x = 28,126.44

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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.