Home / 61,178.48-84,428.52-34,321.04

Finding the Fourth Proportional to 61,178.48, 84,428.52 and 34,321.04

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Solution

The fourth proportional to 61,178.48, 84,428.52 and 34,321.04 is: 47,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178.48 : 84,428.52 = 34,321.04 : x
  2. Step 2: Convert to fraction form
    61,178.48/84,428.52 = 34,321.04/x
  3. Step 3: Cross multiply
    61,178.48x = 84,428.52 × 34,321.04
  4. Step 4: Simplify right side
    61,178.48x = 2,897,674,612.06
  5. Step 5: Solve for x
    x = 2,897,674,612.06/61,178.48
  6. Step 6: Final answer
    x = 47,364.28

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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.