Home / 53,199.29-79,798.98-13,218.23

Finding the Fourth Proportional to 53,199.29, 79,798.98 and 13,218.23

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Solution

The fourth proportional to 53,199.29, 79,798.98 and 13,218.23 is: 19,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,199.29 : 79,798.98 = 13,218.23 : x
  2. Step 2: Convert to fraction form
    53,199.29/79,798.98 = 13,218.23/x
  3. Step 3: Cross multiply
    53,199.29x = 79,798.98 × 13,218.23
  4. Step 4: Simplify right side
    53,199.29x = 1,054,800,872.41
  5. Step 5: Solve for x
    x = 1,054,800,872.41/53,199.29
  6. Step 6: Final answer
    x = 19,827.35

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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.