Home / 31,477.74-47,216.60-10,412.12

Finding the Fourth Proportional to 31,477.74, 47,216.60 and 10,412.12

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Solution

The fourth proportional to 31,477.74, 47,216.60 and 10,412.12 is: 15,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.74 : 47,216.60 = 10,412.12 : x
  2. Step 2: Convert to fraction form
    31,477.74/47,216.60 = 10,412.12/x
  3. Step 3: Cross multiply
    31,477.74x = 47,216.60 × 10,412.12
  4. Step 4: Simplify right side
    31,477.74x = 491,624,905.19
  5. Step 5: Solve for x
    x = 491,624,905.19/31,477.74
  6. Step 6: Final answer
    x = 15,618.18

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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.