Home / 35,981.19-53,901.65-21,906.30

Finding the Fourth Proportional to 35,981.19, 53,901.65 and 21,906.30

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Solution

The fourth proportional to 35,981.19, 53,901.65 and 21,906.30 is: 32,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.19 : 53,901.65 = 21,906.30 : x
  2. Step 2: Convert to fraction form
    35,981.19/53,901.65 = 21,906.30/x
  3. Step 3: Cross multiply
    35,981.19x = 53,901.65 × 21,906.30
  4. Step 4: Simplify right side
    35,981.19x = 1,180,785,715.40
  5. Step 5: Solve for x
    x = 1,180,785,715.40/35,981.19
  6. Step 6: Final answer
    x = 32,816.75

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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.