Home / 37,831.29-52,206.69-20,835.21

Finding the Fourth Proportional to 37,831.29, 52,206.69 and 20,835.21

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Solution

The fourth proportional to 37,831.29, 52,206.69 and 20,835.21 is: 28,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.29 : 52,206.69 = 20,835.21 : x
  2. Step 2: Convert to fraction form
    37,831.29/52,206.69 = 20,835.21/x
  3. Step 3: Cross multiply
    37,831.29x = 52,206.69 × 20,835.21
  4. Step 4: Simplify right side
    37,831.29x = 1,087,737,349.55
  5. Step 5: Solve for x
    x = 1,087,737,349.55/37,831.29
  6. Step 6: Final answer
    x = 28,752.32

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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.