Home / 35,830.60-53,671.98-20,994.50

Finding the Fourth Proportional to 35,830.60, 53,671.98 and 20,994.50

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Solution

The fourth proportional to 35,830.60, 53,671.98 and 20,994.50 is: 31,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,830.60 : 53,671.98 = 20,994.50 : x
  2. Step 2: Convert to fraction form
    35,830.60/53,671.98 = 20,994.50/x
  3. Step 3: Cross multiply
    35,830.60x = 53,671.98 × 20,994.50
  4. Step 4: Simplify right side
    35,830.60x = 1,126,816,384.11
  5. Step 5: Solve for x
    x = 1,126,816,384.11/35,830.60
  6. Step 6: Final answer
    x = 31,448.44

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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.