Home / 58,559.49-87,839.98-20,609.91

Finding the Fourth Proportional to 58,559.49, 87,839.98 and 20,609.91

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Solution

The fourth proportional to 58,559.49, 87,839.98 and 20,609.91 is: 30,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.49 : 87,839.98 = 20,609.91 : x
  2. Step 2: Convert to fraction form
    58,559.49/87,839.98 = 20,609.91/x
  3. Step 3: Cross multiply
    58,559.49x = 87,839.98 × 20,609.91
  4. Step 4: Simplify right side
    58,559.49x = 1,810,374,030.68
  5. Step 5: Solve for x
    x = 1,810,374,030.68/58,559.49
  6. Step 6: Final answer
    x = 30,915.13

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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.