Home / 53,054.02-79,581.05-13,611.13

Finding the Fourth Proportional to 53,054.02, 79,581.05 and 13,611.13

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Solution

The fourth proportional to 53,054.02, 79,581.05 and 13,611.13 is: 20,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,054.02 : 79,581.05 = 13,611.13 : x
  2. Step 2: Convert to fraction form
    53,054.02/79,581.05 = 13,611.13/x
  3. Step 3: Cross multiply
    53,054.02x = 79,581.05 × 13,611.13
  4. Step 4: Simplify right side
    53,054.02x = 1,083,188,017.09
  5. Step 5: Solve for x
    x = 1,083,188,017.09/53,054.02
  6. Step 6: Final answer
    x = 20,416.70

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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.