Home / 35,989.68-49,663.62-20,881.17

Finding the Fourth Proportional to 35,989.68, 49,663.62 and 20,881.17

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Solution

The fourth proportional to 35,989.68, 49,663.62 and 20,881.17 is: 28,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.68 : 49,663.62 = 20,881.17 : x
  2. Step 2: Convert to fraction form
    35,989.68/49,663.62 = 20,881.17/x
  3. Step 3: Cross multiply
    35,989.68x = 49,663.62 × 20,881.17
  4. Step 4: Simplify right side
    35,989.68x = 1,037,034,492.04
  5. Step 5: Solve for x
    x = 1,037,034,492.04/35,989.68
  6. Step 6: Final answer
    x = 28,814.77

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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.