Home / 34,747.02-47,950.95-18,831.42

Finding the Fourth Proportional to 34,747.02, 47,950.95 and 18,831.42

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Solution

The fourth proportional to 34,747.02, 47,950.95 and 18,831.42 is: 25,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.02 : 47,950.95 = 18,831.42 : x
  2. Step 2: Convert to fraction form
    34,747.02/47,950.95 = 18,831.42/x
  3. Step 3: Cross multiply
    34,747.02x = 47,950.95 × 18,831.42
  4. Step 4: Simplify right side
    34,747.02x = 902,984,478.85
  5. Step 5: Solve for x
    x = 902,984,478.85/34,747.02
  6. Step 6: Final answer
    x = 25,987.39

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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.