Home / 48,700.32-73,045.60-13,640.28

Finding the Fourth Proportional to 48,700.32, 73,045.60 and 13,640.28

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Solution

The fourth proportional to 48,700.32, 73,045.60 and 13,640.28 is: 20,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,700.32 : 73,045.60 = 13,640.28 : x
  2. Step 2: Convert to fraction form
    48,700.32/73,045.60 = 13,640.28/x
  3. Step 3: Cross multiply
    48,700.32x = 73,045.60 × 13,640.28
  4. Step 4: Simplify right side
    48,700.32x = 996,362,436.77
  5. Step 5: Solve for x
    x = 996,362,436.77/48,700.32
  6. Step 6: Final answer
    x = 20,459.05

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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.