Home / 31,373.85-47,066.60-10,315.07

Finding the Fourth Proportional to 31,373.85, 47,066.60 and 10,315.07

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Solution

The fourth proportional to 31,373.85, 47,066.60 and 10,315.07 is: 15,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.85 : 47,066.60 = 10,315.07 : x
  2. Step 2: Convert to fraction form
    31,373.85/47,066.60 = 10,315.07/x
  3. Step 3: Cross multiply
    31,373.85x = 47,066.60 × 10,315.07
  4. Step 4: Simplify right side
    31,373.85x = 485,495,064.12
  5. Step 5: Solve for x
    x = 485,495,064.12/31,373.85
  6. Step 6: Final answer
    x = 15,474.51

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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.