Home / 31,868.41-47,802.59-9,681.70

Finding the Fourth Proportional to 31,868.41, 47,802.59 and 9,681.70

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Solution

The fourth proportional to 31,868.41, 47,802.59 and 9,681.70 is: 14,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.41 : 47,802.59 = 9,681.70 : x
  2. Step 2: Convert to fraction form
    31,868.41/47,802.59 = 9,681.70/x
  3. Step 3: Cross multiply
    31,868.41x = 47,802.59 × 9,681.70
  4. Step 4: Simplify right side
    31,868.41x = 462,810,335.60
  5. Step 5: Solve for x
    x = 462,810,335.60/31,868.41
  6. Step 6: Final answer
    x = 14,522.54

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1.5x scale

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.