Home / 54,762.48-75,572.39-30,889.15

Finding the Fourth Proportional to 54,762.48, 75,572.39 and 30,889.15

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Solution

The fourth proportional to 54,762.48, 75,572.39 and 30,889.15 is: 42,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,762.48 : 75,572.39 = 30,889.15 : x
  2. Step 2: Convert to fraction form
    54,762.48/75,572.39 = 30,889.15/x
  3. Step 3: Cross multiply
    54,762.48x = 75,572.39 × 30,889.15
  4. Step 4: Simplify right side
    54,762.48x = 2,334,366,778.86
  5. Step 5: Solve for x
    x = 2,334,366,778.86/54,762.48
  6. Step 6: Final answer
    x = 42,627.12

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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.