Home / 45,225.81-62,433.05-30,143.61

Finding the Fourth Proportional to 45,225.81, 62,433.05 and 30,143.61

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Solution

The fourth proportional to 45,225.81, 62,433.05 and 30,143.61 is: 41,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,225.81 : 62,433.05 = 30,143.61 : x
  2. Step 2: Convert to fraction form
    45,225.81/62,433.05 = 30,143.61/x
  3. Step 3: Cross multiply
    45,225.81x = 62,433.05 × 30,143.61
  4. Step 4: Simplify right side
    45,225.81x = 1,881,957,359.59
  5. Step 5: Solve for x
    x = 1,881,957,359.59/45,225.81
  6. Step 6: Final answer
    x = 41,612.46

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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.