Home / 37,830.61-52,204.21-20,831.53

Finding the Fourth Proportional to 37,830.61, 52,204.21 and 20,831.53

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Solution

The fourth proportional to 37,830.61, 52,204.21 and 20,831.53 is: 28,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,830.61 : 52,204.21 = 20,831.53 : x
  2. Step 2: Convert to fraction form
    37,830.61/52,204.21 = 20,831.53/x
  3. Step 3: Cross multiply
    37,830.61x = 52,204.21 × 20,831.53
  4. Step 4: Simplify right side
    37,830.61x = 1,087,493,332.07
  5. Step 5: Solve for x
    x = 1,087,493,332.07/37,830.61
  6. Step 6: Final answer
    x = 28,746.39

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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.