Home / 45,328.66-62,503.12-30,990.83

Finding the Fourth Proportional to 45,328.66, 62,503.12 and 30,990.83

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Solution

The fourth proportional to 45,328.66, 62,503.12 and 30,990.83 is: 42,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,328.66 : 62,503.12 = 30,990.83 : x
  2. Step 2: Convert to fraction form
    45,328.66/62,503.12 = 30,990.83/x
  3. Step 3: Cross multiply
    45,328.66x = 62,503.12 × 30,990.83
  4. Step 4: Simplify right side
    45,328.66x = 1,937,023,566.39
  5. Step 5: Solve for x
    x = 1,937,023,566.39/45,328.66
  6. Step 6: Final answer
    x = 42,732.87

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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.