Home / 35,269.55-52,904.15-12,490.31

Finding the Fourth Proportional to 35,269.55, 52,904.15 and 12,490.31

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Solution

The fourth proportional to 35,269.55, 52,904.15 and 12,490.31 is: 18,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,269.55 : 52,904.15 = 12,490.31 : x
  2. Step 2: Convert to fraction form
    35,269.55/52,904.15 = 12,490.31/x
  3. Step 3: Cross multiply
    35,269.55x = 52,904.15 × 12,490.31
  4. Step 4: Simplify right side
    35,269.55x = 660,788,906.81
  5. Step 5: Solve for x
    x = 660,788,906.81/35,269.55
  6. Step 6: Final answer
    x = 18,735.40

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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.