Home / 36,875.80-55,313.70-21,275.20

Finding the Fourth Proportional to 36,875.80, 55,313.70 and 21,275.20

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Solution

The fourth proportional to 36,875.80, 55,313.70 and 21,275.20 is: 31,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,875.80 : 55,313.70 = 21,275.20 : x
  2. Step 2: Convert to fraction form
    36,875.80/55,313.70 = 21,275.20/x
  3. Step 3: Cross multiply
    36,875.80x = 55,313.70 × 21,275.20
  4. Step 4: Simplify right side
    36,875.80x = 1,176,810,030.24
  5. Step 5: Solve for x
    x = 1,176,810,030.24/36,875.80
  6. Step 6: Final answer
    x = 31,912.80

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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.