Home / 61,389.12-84,724.48-34,532.76

Finding the Fourth Proportional to 61,389.12, 84,724.48 and 34,532.76

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Solution

The fourth proportional to 61,389.12, 84,724.48 and 34,532.76 is: 47,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,389.12 : 84,724.48 = 34,532.76 : x
  2. Step 2: Convert to fraction form
    61,389.12/84,724.48 = 34,532.76/x
  3. Step 3: Cross multiply
    61,389.12x = 84,724.48 × 34,532.76
  4. Step 4: Simplify right side
    61,389.12x = 2,925,770,133.96
  5. Step 5: Solve for x
    x = 2,925,770,133.96/61,389.12
  6. Step 6: Final answer
    x = 47,659.42

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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.