Home / 53,653.08-80,475.84-14,209.32

Finding the Fourth Proportional to 53,653.08, 80,475.84 and 14,209.32

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Solution

The fourth proportional to 53,653.08, 80,475.84 and 14,209.32 is: 21,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.08 : 80,475.84 = 14,209.32 : x
  2. Step 2: Convert to fraction form
    53,653.08/80,475.84 = 14,209.32/x
  3. Step 3: Cross multiply
    53,653.08x = 80,475.84 × 14,209.32
  4. Step 4: Simplify right side
    53,653.08x = 1,143,506,962.83
  5. Step 5: Solve for x
    x = 1,143,506,962.83/53,653.08
  6. Step 6: Final answer
    x = 21,312.98

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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.