Home / 53,008.04-79,465.98-20,199.08

Finding the Fourth Proportional to 53,008.04, 79,465.98 and 20,199.08

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Solution

The fourth proportional to 53,008.04, 79,465.98 and 20,199.08 is: 30,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.04 : 79,465.98 = 20,199.08 : x
  2. Step 2: Convert to fraction form
    53,008.04/79,465.98 = 20,199.08/x
  3. Step 3: Cross multiply
    53,008.04x = 79,465.98 × 20,199.08
  4. Step 4: Simplify right side
    53,008.04x = 1,605,139,687.30
  5. Step 5: Solve for x
    x = 1,605,139,687.30/53,008.04
  6. Step 6: Final answer
    x = 30,281.06

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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.