Home / 35,502.77-48,992.17-20,384.80

Finding the Fourth Proportional to 35,502.77, 48,992.17 and 20,384.80

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Solution

The fourth proportional to 35,502.77, 48,992.17 and 20,384.80 is: 28,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,502.77 : 48,992.17 = 20,384.80 : x
  2. Step 2: Convert to fraction form
    35,502.77/48,992.17 = 20,384.80/x
  3. Step 3: Cross multiply
    35,502.77x = 48,992.17 × 20,384.80
  4. Step 4: Simplify right side
    35,502.77x = 998,695,587.02
  5. Step 5: Solve for x
    x = 998,695,587.02/35,502.77
  6. Step 6: Final answer
    x = 28,130.08

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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.