Home / 30,187.59-45,222.48-19,767.75

Finding the Fourth Proportional to 30,187.59, 45,222.48 and 19,767.75

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Solution

The fourth proportional to 30,187.59, 45,222.48 and 19,767.75 is: 29,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.59 : 45,222.48 = 19,767.75 : x
  2. Step 2: Convert to fraction form
    30,187.59/45,222.48 = 19,767.75/x
  3. Step 3: Cross multiply
    30,187.59x = 45,222.48 × 19,767.75
  4. Step 4: Simplify right side
    30,187.59x = 893,946,679.02
  5. Step 5: Solve for x
    x = 893,946,679.02/30,187.59
  6. Step 6: Final answer
    x = 29,613.05

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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.