Home / 53,117.64-79,681.33-13,674.88

Finding the Fourth Proportional to 53,117.64, 79,681.33 and 13,674.88

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Solution

The fourth proportional to 53,117.64, 79,681.33 and 13,674.88 is: 20,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.64 : 79,681.33 = 13,674.88 : x
  2. Step 2: Convert to fraction form
    53,117.64/79,681.33 = 13,674.88/x
  3. Step 3: Cross multiply
    53,117.64x = 79,681.33 × 13,674.88
  4. Step 4: Simplify right side
    53,117.64x = 1,089,632,625.99
  5. Step 5: Solve for x
    x = 1,089,632,625.99/53,117.64
  6. Step 6: Final answer
    x = 20,513.57

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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.