Home / 48,285.93-72,457.17-20,203.64

Finding the Fourth Proportional to 48,285.93, 72,457.17 and 20,203.64

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Solution

The fourth proportional to 48,285.93, 72,457.17 and 20,203.64 is: 30,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285.93 : 72,457.17 = 20,203.64 : x
  2. Step 2: Convert to fraction form
    48,285.93/72,457.17 = 20,203.64/x
  3. Step 3: Cross multiply
    48,285.93x = 72,457.17 × 20,203.64
  4. Step 4: Simplify right side
    48,285.93x = 1,463,898,215.81
  5. Step 5: Solve for x
    x = 1,463,898,215.81/48,285.93
  6. Step 6: Final answer
    x = 30,317.28

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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.