Home / 38,739.71-53,462.55-30,341.63

Finding the Fourth Proportional to 38,739.71, 53,462.55 and 30,341.63

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Solution

The fourth proportional to 38,739.71, 53,462.55 and 30,341.63 is: 41,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739.71 : 53,462.55 = 30,341.63 : x
  2. Step 2: Convert to fraction form
    38,739.71/53,462.55 = 30,341.63/x
  3. Step 3: Cross multiply
    38,739.71x = 53,462.55 × 30,341.63
  4. Step 4: Simplify right side
    38,739.71x = 1,622,140,643.64
  5. Step 5: Solve for x
    x = 1,622,140,643.64/38,739.71
  6. Step 6: Final answer
    x = 41,872.82

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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.