Home / 48,281.50-66,613.80-30,394.36

Finding the Fourth Proportional to 48,281.50, 66,613.80 and 30,394.36

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Solution

The fourth proportional to 48,281.50, 66,613.80 and 30,394.36 is: 41,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,281.50 : 66,613.80 = 30,394.36 : x
  2. Step 2: Convert to fraction form
    48,281.50/66,613.80 = 30,394.36/x
  3. Step 3: Cross multiply
    48,281.50x = 66,613.80 × 30,394.36
  4. Step 4: Simplify right side
    48,281.50x = 2,024,683,818.17
  5. Step 5: Solve for x
    x = 2,024,683,818.17/48,281.50
  6. Step 6: Final answer
    x = 41,934.98

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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.