Home / 61,031.52-84,219.75-34,169.49

Finding the Fourth Proportional to 61,031.52, 84,219.75 and 34,169.49

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Solution

The fourth proportional to 61,031.52, 84,219.75 and 34,169.49 is: 47,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,031.52 : 84,219.75 = 34,169.49 : x
  2. Step 2: Convert to fraction form
    61,031.52/84,219.75 = 34,169.49/x
  3. Step 3: Cross multiply
    61,031.52x = 84,219.75 × 34,169.49
  4. Step 4: Simplify right side
    61,031.52x = 2,877,745,905.43
  5. Step 5: Solve for x
    x = 2,877,745,905.43/61,031.52
  6. Step 6: Final answer
    x = 47,151.80

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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.