Home / 31,931.60-47,867.88-16,314.80

Finding the Fourth Proportional to 31,931.60, 47,867.88 and 16,314.80

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Solution

The fourth proportional to 31,931.60, 47,867.88 and 16,314.80 is: 24,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.60 : 47,867.88 = 16,314.80 : x
  2. Step 2: Convert to fraction form
    31,931.60/47,867.88 = 16,314.80/x
  3. Step 3: Cross multiply
    31,931.60x = 47,867.88 × 16,314.80
  4. Step 4: Simplify right side
    31,931.60x = 780,954,888.62
  5. Step 5: Solve for x
    x = 780,954,888.62/31,931.60
  6. Step 6: Final answer
    x = 24,457.12

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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.