Home / 40,906.70-61,345.65-14,612.30

Finding the Fourth Proportional to 40,906.70, 61,345.65 and 14,612.30

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Solution

The fourth proportional to 40,906.70, 61,345.65 and 14,612.30 is: 21,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.70 : 61,345.65 = 14,612.30 : x
  2. Step 2: Convert to fraction form
    40,906.70/61,345.65 = 14,612.30/x
  3. Step 3: Cross multiply
    40,906.70x = 61,345.65 × 14,612.30
  4. Step 4: Simplify right side
    40,906.70x = 896,401,041.50
  5. Step 5: Solve for x
    x = 896,401,041.50/40,906.70
  6. Step 6: Final answer
    x = 21,913.31

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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.