Home / 35,427.36-48,889.95-20,320.59

Finding the Fourth Proportional to 35,427.36, 48,889.95 and 20,320.59

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Solution

The fourth proportional to 35,427.36, 48,889.95 and 20,320.59 is: 28,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,427.36 : 48,889.95 = 20,320.59 : x
  2. Step 2: Convert to fraction form
    35,427.36/48,889.95 = 20,320.59/x
  3. Step 3: Cross multiply
    35,427.36x = 48,889.95 × 20,320.59
  4. Step 4: Simplify right side
    35,427.36x = 993,472,629.07
  5. Step 5: Solve for x
    x = 993,472,629.07/35,427.36
  6. Step 6: Final answer
    x = 28,042.53

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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.