Home / 35,124.60-48,465.64-20,777.28

Finding the Fourth Proportional to 35,124.60, 48,465.64 and 20,777.28

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Solution

The fourth proportional to 35,124.60, 48,465.64 and 20,777.28 is: 28,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,124.60 : 48,465.64 = 20,777.28 : x
  2. Step 2: Convert to fraction form
    35,124.60/48,465.64 = 20,777.28/x
  3. Step 3: Cross multiply
    35,124.60x = 48,465.64 × 20,777.28
  4. Step 4: Simplify right side
    35,124.60x = 1,006,984,172.66
  5. Step 5: Solve for x
    x = 1,006,984,172.66/35,124.60
  6. Step 6: Final answer
    x = 28,668.92

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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.