Home / 30,130.37-41,527.98-20,040.77

Finding the Fourth Proportional to 30,130.37, 41,527.98 and 20,040.77

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Solution

The fourth proportional to 30,130.37, 41,527.98 and 20,040.77 is: 27,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.37 : 41,527.98 = 20,040.77 : x
  2. Step 2: Convert to fraction form
    30,130.37/41,527.98 = 20,040.77/x
  3. Step 3: Cross multiply
    30,130.37x = 41,527.98 × 20,040.77
  4. Step 4: Simplify right side
    30,130.37x = 832,252,695.74
  5. Step 5: Solve for x
    x = 832,252,695.74/30,130.37
  6. Step 6: Final answer
    x = 27,621.72

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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.