Home / 58,312.05-87,446.61-20,861.97

Finding the Fourth Proportional to 58,312.05, 87,446.61 and 20,861.97

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Solution

The fourth proportional to 58,312.05, 87,446.61 and 20,861.97 is: 31,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,312.05 : 87,446.61 = 20,861.97 : x
  2. Step 2: Convert to fraction form
    58,312.05/87,446.61 = 20,861.97/x
  3. Step 3: Cross multiply
    58,312.05x = 87,446.61 × 20,861.97
  4. Step 4: Simplify right side
    58,312.05x = 1,824,308,554.42
  5. Step 5: Solve for x
    x = 1,824,308,554.42/58,312.05
  6. Step 6: Final answer
    x = 31,285.28

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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.