Home / 35,478.05-48,957.46-20,360.08

Finding the Fourth Proportional to 35,478.05, 48,957.46 and 20,360.08

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Solution

The fourth proportional to 35,478.05, 48,957.46 and 20,360.08 is: 28,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.05 : 48,957.46 = 20,360.08 : x
  2. Step 2: Convert to fraction form
    35,478.05/48,957.46 = 20,360.08/x
  3. Step 3: Cross multiply
    35,478.05x = 48,957.46 × 20,360.08
  4. Step 4: Simplify right side
    35,478.05x = 996,778,064.71
  5. Step 5: Solve for x
    x = 996,778,064.71/35,478.05
  6. Step 6: Final answer
    x = 28,095.63

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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.