Home / 30,604.77-45,908.73-8,417.70

Finding the Fourth Proportional to 30,604.77, 45,908.73 and 8,417.70

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Solution

The fourth proportional to 30,604.77, 45,908.73 and 8,417.70 is: 12,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.77 : 45,908.73 = 8,417.70 : x
  2. Step 2: Convert to fraction form
    30,604.77/45,908.73 = 8,417.70/x
  3. Step 3: Cross multiply
    30,604.77x = 45,908.73 × 8,417.70
  4. Step 4: Simplify right side
    30,604.77x = 386,445,916.52
  5. Step 5: Solve for x
    x = 386,445,916.52/30,604.77
  6. Step 6: Final answer
    x = 12,626.98

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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.