Home / 30,538.79-45,837.74-14,754.92

Finding the Fourth Proportional to 30,538.79, 45,837.74 and 14,754.92

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Solution

The fourth proportional to 30,538.79, 45,837.74 and 14,754.92 is: 22,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,538.79 : 45,837.74 = 14,754.92 : x
  2. Step 2: Convert to fraction form
    30,538.79/45,837.74 = 14,754.92/x
  3. Step 3: Cross multiply
    30,538.79x = 45,837.74 × 14,754.92
  4. Step 4: Simplify right side
    30,538.79x = 676,332,186.68
  5. Step 5: Solve for x
    x = 676,332,186.68/30,538.79
  6. Step 6: Final answer
    x = 22,146.66

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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.