Home / 31,897.55-47,822.87-10,831.93

Finding the Fourth Proportional to 31,897.55, 47,822.87 and 10,831.93

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Solution

The fourth proportional to 31,897.55, 47,822.87 and 10,831.93 is: 16,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.55 : 47,822.87 = 10,831.93 : x
  2. Step 2: Convert to fraction form
    31,897.55/47,822.87 = 10,831.93/x
  3. Step 3: Cross multiply
    31,897.55x = 47,822.87 × 10,831.93
  4. Step 4: Simplify right side
    31,897.55x = 518,013,887.76
  5. Step 5: Solve for x
    x = 518,013,887.76/31,897.55
  6. Step 6: Final answer
    x = 16,239.93

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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.