Home / 53,328.08-79,991.04-13,884.32

Finding the Fourth Proportional to 53,328.08, 79,991.04 and 13,884.32

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Solution

The fourth proportional to 53,328.08, 79,991.04 and 13,884.32 is: 20,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.08 : 79,991.04 = 13,884.32 : x
  2. Step 2: Convert to fraction form
    53,328.08/79,991.04 = 13,884.32/x
  3. Step 3: Cross multiply
    53,328.08x = 79,991.04 × 13,884.32
  4. Step 4: Simplify right side
    53,328.08x = 1,110,621,196.49
  5. Step 5: Solve for x
    x = 1,110,621,196.49/53,328.08
  6. Step 6: Final answer
    x = 20,826.20

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1.5x scale

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.