Home / 37,320.75-51,502.64-20,553.75

Finding the Fourth Proportional to 37,320.75, 51,502.64 and 20,553.75

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Solution

The fourth proportional to 37,320.75, 51,502.64 and 20,553.75 is: 28,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,320.75 : 51,502.64 = 20,553.75 : x
  2. Step 2: Convert to fraction form
    37,320.75/51,502.64 = 20,553.75/x
  3. Step 3: Cross multiply
    37,320.75x = 51,502.64 × 20,553.75
  4. Step 4: Simplify right side
    37,320.75x = 1,058,572,284.13
  5. Step 5: Solve for x
    x = 1,058,572,284.13/37,320.75
  6. Step 6: Final answer
    x = 28,364.18

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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.