Home / 53,411.38-80,133.69-38,625.64

Finding the Fourth Proportional to 53,411.38, 80,133.69 and 38,625.64

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Solution

The fourth proportional to 53,411.38, 80,133.69 and 38,625.64 is: 57,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,411.38 : 80,133.69 = 38,625.64 : x
  2. Step 2: Convert to fraction form
    53,411.38/80,133.69 = 38,625.64/x
  3. Step 3: Cross multiply
    53,411.38x = 80,133.69 × 38,625.64
  4. Step 4: Simplify right side
    53,411.38x = 3,095,215,061.81
  5. Step 5: Solve for x
    x = 3,095,215,061.81/53,411.38
  6. Step 6: Final answer
    x = 57,950.48

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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.