Home / 35,981.77-53,925.27-20,186.50

Finding the Fourth Proportional to 35,981.77, 53,925.27 and 20,186.50

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Solution

The fourth proportional to 35,981.77, 53,925.27 and 20,186.50 is: 30,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.77 : 53,925.27 = 20,186.50 : x
  2. Step 2: Convert to fraction form
    35,981.77/53,925.27 = 20,186.50/x
  3. Step 3: Cross multiply
    35,981.77x = 53,925.27 × 20,186.50
  4. Step 4: Simplify right side
    35,981.77x = 1,088,562,462.86
  5. Step 5: Solve for x
    x = 1,088,562,462.86/35,981.77
  6. Step 6: Final answer
    x = 30,253.17

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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.