Home / 59,885.19-89,835.98-20,431.71

Finding the Fourth Proportional to 59,885.19, 89,835.98 and 20,431.71

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Solution

The fourth proportional to 59,885.19, 89,835.98 and 20,431.71 is: 30,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,885.19 : 89,835.98 = 20,431.71 : x
  2. Step 2: Convert to fraction form
    59,885.19/89,835.98 = 20,431.71/x
  3. Step 3: Cross multiply
    59,885.19x = 89,835.98 × 20,431.71
  4. Step 4: Simplify right side
    59,885.19x = 1,835,502,588.77
  5. Step 5: Solve for x
    x = 1,835,502,588.77/59,885.19
  6. Step 6: Final answer
    x = 30,650.36

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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.