Home / 48,620.32-72,931.06-13,557.84

Finding the Fourth Proportional to 48,620.32, 72,931.06 and 13,557.84

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Solution

The fourth proportional to 48,620.32, 72,931.06 and 13,557.84 is: 20,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.32 : 72,931.06 = 13,557.84 : x
  2. Step 2: Convert to fraction form
    48,620.32/72,931.06 = 13,557.84/x
  3. Step 3: Cross multiply
    48,620.32x = 72,931.06 × 13,557.84
  4. Step 4: Simplify right side
    48,620.32x = 988,787,642.51
  5. Step 5: Solve for x
    x = 988,787,642.51/48,620.32
  6. Step 6: Final answer
    x = 20,336.92

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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.