Home / 58,056.26-87,123.18-21,120.26

Finding the Fourth Proportional to 58,056.26, 87,123.18 and 21,120.26

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Solution

The fourth proportional to 58,056.26, 87,123.18 and 21,120.26 is: 31,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,056.26 : 87,123.18 = 21,120.26 : x
  2. Step 2: Convert to fraction form
    58,056.26/87,123.18 = 21,120.26/x
  3. Step 3: Cross multiply
    58,056.26x = 87,123.18 × 21,120.26
  4. Step 4: Simplify right side
    58,056.26x = 1,840,064,213.63
  5. Step 5: Solve for x
    x = 1,840,064,213.63/58,056.26
  6. Step 6: Final answer
    x = 31,694.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.