Home / 31,886.10-47,831.58-9,701.40

Finding the Fourth Proportional to 31,886.10, 47,831.58 and 9,701.40

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Solution

The fourth proportional to 31,886.10, 47,831.58 and 9,701.40 is: 14,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,886.10 : 47,831.58 = 9,701.40 : x
  2. Step 2: Convert to fraction form
    31,886.10/47,831.58 = 9,701.40/x
  3. Step 3: Cross multiply
    31,886.10x = 47,831.58 × 9,701.40
  4. Step 4: Simplify right side
    31,886.10x = 464,033,290.21
  5. Step 5: Solve for x
    x = 464,033,290.21/31,886.10
  6. Step 6: Final answer
    x = 14,552.84

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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.