Home / 35,406.81-48,861.63-19,490.85

Finding the Fourth Proportional to 35,406.81, 48,861.63 and 19,490.85

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Solution

The fourth proportional to 35,406.81, 48,861.63 and 19,490.85 is: 26,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.81 : 48,861.63 = 19,490.85 : x
  2. Step 2: Convert to fraction form
    35,406.81/48,861.63 = 19,490.85/x
  3. Step 3: Cross multiply
    35,406.81x = 48,861.63 × 19,490.85
  4. Step 4: Simplify right side
    35,406.81x = 952,354,701.09
  5. Step 5: Solve for x
    x = 952,354,701.09/35,406.81
  6. Step 6: Final answer
    x = 26,897.50

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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.