Home / 53,151.12-79,726.68-21,952.08

Finding the Fourth Proportional to 53,151.12, 79,726.68 and 21,952.08

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Solution

The fourth proportional to 53,151.12, 79,726.68 and 21,952.08 is: 32,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151.12 : 79,726.68 = 21,952.08 : x
  2. Step 2: Convert to fraction form
    53,151.12/79,726.68 = 21,952.08/x
  3. Step 3: Cross multiply
    53,151.12x = 79,726.68 × 21,952.08
  4. Step 4: Simplify right side
    53,151.12x = 1,750,166,457.49
  5. Step 5: Solve for x
    x = 1,750,166,457.49/53,151.12
  6. Step 6: Final answer
    x = 32,928.12

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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.