Home / 58,668.48-80,962.20-31,811.58

Finding the Fourth Proportional to 58,668.48, 80,962.20 and 31,811.58

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Solution

The fourth proportional to 58,668.48, 80,962.20 and 31,811.58 is: 43,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,668.48 : 80,962.20 = 31,811.58 : x
  2. Step 2: Convert to fraction form
    58,668.48/80,962.20 = 31,811.58/x
  3. Step 3: Cross multiply
    58,668.48x = 80,962.20 × 31,811.58
  4. Step 4: Simplify right side
    58,668.48x = 2,575,535,502.28
  5. Step 5: Solve for x
    x = 2,575,535,502.28/58,668.48
  6. Step 6: Final answer
    x = 43,899.82

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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.