Home / 47,237.42-65,214.75-31,343.42

Finding the Fourth Proportional to 47,237.42, 65,214.75 and 31,343.42

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Solution

The fourth proportional to 47,237.42, 65,214.75 and 31,343.42 is: 43,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,237.42 : 65,214.75 = 31,343.42 : x
  2. Step 2: Convert to fraction form
    47,237.42/65,214.75 = 31,343.42/x
  3. Step 3: Cross multiply
    47,237.42x = 65,214.75 × 31,343.42
  4. Step 4: Simplify right side
    47,237.42x = 2,044,053,299.45
  5. Step 5: Solve for x
    x = 2,044,053,299.45/47,237.42
  6. Step 6: Final answer
    x = 43,271.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.