Home / 32,688.75-45,108.57-18,347.25

Finding the Fourth Proportional to 32,688.75, 45,108.57 and 18,347.25

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Solution

The fourth proportional to 32,688.75, 45,108.57 and 18,347.25 is: 25,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.75 : 45,108.57 = 18,347.25 : x
  2. Step 2: Convert to fraction form
    32,688.75/45,108.57 = 18,347.25/x
  3. Step 3: Cross multiply
    32,688.75x = 45,108.57 × 18,347.25
  4. Step 4: Simplify right side
    32,688.75x = 827,618,210.93
  5. Step 5: Solve for x
    x = 827,618,210.93/32,688.75
  6. Step 6: Final answer
    x = 25,318.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.