Home / 31,740.90-47,517.89-23,457.84

Finding the Fourth Proportional to 31,740.90, 47,517.89 and 23,457.84

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Solution

The fourth proportional to 31,740.90, 47,517.89 and 23,457.84 is: 35,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740.90 : 47,517.89 = 23,457.84 : x
  2. Step 2: Convert to fraction form
    31,740.90/47,517.89 = 23,457.84/x
  3. Step 3: Cross multiply
    31,740.90x = 47,517.89 × 23,457.84
  4. Step 4: Simplify right side
    31,740.90x = 1,114,667,002.11
  5. Step 5: Solve for x
    x = 1,114,667,002.11/31,740.90
  6. Step 6: Final answer
    x = 35,117.69

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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.