Home / 48,427.63-72,428.97-43,128.18

Finding the Fourth Proportional to 48,427.63, 72,428.97 and 43,128.18

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Solution

The fourth proportional to 48,427.63, 72,428.97 and 43,128.18 is: 64,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.63 : 72,428.97 = 43,128.18 : x
  2. Step 2: Convert to fraction form
    48,427.63/72,428.97 = 43,128.18/x
  3. Step 3: Cross multiply
    48,427.63x = 72,428.97 × 43,128.18
  4. Step 4: Simplify right side
    48,427.63x = 3,123,729,655.37
  5. Step 5: Solve for x
    x = 3,123,729,655.37/48,427.63
  6. Step 6: Final answer
    x = 64,503.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.