Home / 35,831.42-53,756.85-12,459.68

Finding the Fourth Proportional to 35,831.42, 53,756.85 and 12,459.68

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Solution

The fourth proportional to 35,831.42, 53,756.85 and 12,459.68 is: 18,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.42 : 53,756.85 = 12,459.68 : x
  2. Step 2: Convert to fraction form
    35,831.42/53,756.85 = 12,459.68/x
  3. Step 3: Cross multiply
    35,831.42x = 53,756.85 × 12,459.68
  4. Step 4: Simplify right side
    35,831.42x = 669,793,148.81
  5. Step 5: Solve for x
    x = 669,793,148.81/35,831.42
  6. Step 6: Final answer
    x = 18,692.90

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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.