Home / 53,019.21-79,526.74-17,958.87

Finding the Fourth Proportional to 53,019.21, 79,526.74 and 17,958.87

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Solution

The fourth proportional to 53,019.21, 79,526.74 and 17,958.87 is: 26,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.21 : 79,526.74 = 17,958.87 : x
  2. Step 2: Convert to fraction form
    53,019.21/79,526.74 = 17,958.87/x
  3. Step 3: Cross multiply
    53,019.21x = 79,526.74 × 17,958.87
  4. Step 4: Simplify right side
    53,019.21x = 1,428,209,942.65
  5. Step 5: Solve for x
    x = 1,428,209,942.65/53,019.21
  6. Step 6: Final answer
    x = 26,937.59

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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.