Home / 52,574.08-78,858.88-21,409.92

Finding the Fourth Proportional to 52,574.08, 78,858.88 and 21,409.92

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Solution

The fourth proportional to 52,574.08, 78,858.88 and 21,409.92 is: 32,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,574.08 : 78,858.88 = 21,409.92 : x
  2. Step 2: Convert to fraction form
    52,574.08/78,858.88 = 21,409.92/x
  3. Step 3: Cross multiply
    52,574.08x = 78,858.88 × 21,409.92
  4. Step 4: Simplify right side
    52,574.08x = 1,688,362,312.09
  5. Step 5: Solve for x
    x = 1,688,362,312.09/52,574.08
  6. Step 6: Final answer
    x = 32,113.97

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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.