Home / 55,806.28-77,013.20-30,313.13

Finding the Fourth Proportional to 55,806.28, 77,013.20 and 30,313.13

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Solution

The fourth proportional to 55,806.28, 77,013.20 and 30,313.13 is: 41,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,806.28 : 77,013.20 = 30,313.13 : x
  2. Step 2: Convert to fraction form
    55,806.28/77,013.20 = 30,313.13/x
  3. Step 3: Cross multiply
    55,806.28x = 77,013.20 × 30,313.13
  4. Step 4: Simplify right side
    55,806.28x = 2,334,510,834.03
  5. Step 5: Solve for x
    x = 2,334,510,834.03/55,806.28
  6. Step 6: Final answer
    x = 41,832.41

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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.