Home / 48,003.60-72,005.40-38,089.20

Finding the Fourth Proportional to 48,003.60, 72,005.40 and 38,089.20

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Solution

The fourth proportional to 48,003.60, 72,005.40 and 38,089.20 is: 57,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,003.60 : 72,005.40 = 38,089.20 : x
  2. Step 2: Convert to fraction form
    48,003.60/72,005.40 = 38,089.20/x
  3. Step 3: Cross multiply
    48,003.60x = 72,005.40 × 38,089.20
  4. Step 4: Simplify right side
    48,003.60x = 2,742,628,081.68
  5. Step 5: Solve for x
    x = 2,742,628,081.68/48,003.60
  6. Step 6: Final answer
    x = 57,133.80

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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.