Home / 30,298.51-45,458.70-15,514.39

Finding the Fourth Proportional to 30,298.51, 45,458.70 and 15,514.39

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Solution

The fourth proportional to 30,298.51, 45,458.70 and 15,514.39 is: 23,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.51 : 45,458.70 = 15,514.39 : x
  2. Step 2: Convert to fraction form
    30,298.51/45,458.70 = 15,514.39/x
  3. Step 3: Cross multiply
    30,298.51x = 45,458.70 × 15,514.39
  4. Step 4: Simplify right side
    30,298.51x = 705,264,000.69
  5. Step 5: Solve for x
    x = 705,264,000.69/30,298.51
  6. Step 6: Final answer
    x = 23,277.18

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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.