Home / 52,036.96-78,070.04-20,894.08

Finding the Fourth Proportional to 52,036.96, 78,070.04 and 20,894.08

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Solution

The fourth proportional to 52,036.96, 78,070.04 and 20,894.08 is: 31,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,036.96 : 78,070.04 = 20,894.08 : x
  2. Step 2: Convert to fraction form
    52,036.96/78,070.04 = 20,894.08/x
  3. Step 3: Cross multiply
    52,036.96x = 78,070.04 × 20,894.08
  4. Step 4: Simplify right side
    52,036.96x = 1,631,201,661.36
  5. Step 5: Solve for x
    x = 1,631,201,661.36/52,036.96
  6. Step 6: Final answer
    x = 31,346.98

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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.