Home / 31,870.14-47,802.08-9,683.70

Finding the Fourth Proportional to 31,870.14, 47,802.08 and 9,683.70

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Solution

The fourth proportional to 31,870.14, 47,802.08 and 9,683.70 is: 14,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,870.14 : 47,802.08 = 9,683.70 : x
  2. Step 2: Convert to fraction form
    31,870.14/47,802.08 = 9,683.70/x
  3. Step 3: Cross multiply
    31,870.14x = 47,802.08 × 9,683.70
  4. Step 4: Simplify right side
    31,870.14x = 462,901,002.10
  5. Step 5: Solve for x
    x = 462,901,002.10/31,870.14
  6. Step 6: Final answer
    x = 14,524.60

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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.