Home / 30,478.16-45,585.96-27,124.76

Finding the Fourth Proportional to 30,478.16, 45,585.96 and 27,124.76

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Solution

The fourth proportional to 30,478.16, 45,585.96 and 27,124.76 is: 40,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.16 : 45,585.96 = 27,124.76 : x
  2. Step 2: Convert to fraction form
    30,478.16/45,585.96 = 27,124.76/x
  3. Step 3: Cross multiply
    30,478.16x = 45,585.96 × 27,124.76
  4. Step 4: Simplify right side
    30,478.16x = 1,236,508,224.37
  5. Step 5: Solve for x
    x = 1,236,508,224.37/30,478.16
  6. Step 6: Final answer
    x = 40,570.30

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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.