Home / 48,549.35-66,988.51-30,668.87

Finding the Fourth Proportional to 48,549.35, 66,988.51 and 30,668.87

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Solution

The fourth proportional to 48,549.35, 66,988.51 and 30,668.87 is: 42,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,549.35 : 66,988.51 = 30,668.87 : x
  2. Step 2: Convert to fraction form
    48,549.35/66,988.51 = 30,668.87/x
  3. Step 3: Cross multiply
    48,549.35x = 66,988.51 × 30,668.87
  4. Step 4: Simplify right side
    48,549.35x = 2,054,461,904.68
  5. Step 5: Solve for x
    x = 2,054,461,904.68/48,549.35
  6. Step 6: Final answer
    x = 42,316.98

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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.