Home / 39,221.19-58,831.95-9,639.03

Finding the Fourth Proportional to 39,221.19, 58,831.95 and 9,639.03

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Solution

The fourth proportional to 39,221.19, 58,831.95 and 9,639.03 is: 14,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.19 : 58,831.95 = 9,639.03 : x
  2. Step 2: Convert to fraction form
    39,221.19/58,831.95 = 9,639.03/x
  3. Step 3: Cross multiply
    39,221.19x = 58,831.95 × 9,639.03
  4. Step 4: Simplify right side
    39,221.19x = 567,082,931.01
  5. Step 5: Solve for x
    x = 567,082,931.01/39,221.19
  6. Step 6: Final answer
    x = 14,458.59

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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.