Home / 30,514.92-45,587.43-19,332.12

Finding the Fourth Proportional to 30,514.92, 45,587.43 and 19,332.12

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Solution

The fourth proportional to 30,514.92, 45,587.43 and 19,332.12 is: 28,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,514.92 : 45,587.43 = 19,332.12 : x
  2. Step 2: Convert to fraction form
    30,514.92/45,587.43 = 19,332.12/x
  3. Step 3: Cross multiply
    30,514.92x = 45,587.43 × 19,332.12
  4. Step 4: Simplify right side
    30,514.92x = 881,301,667.25
  5. Step 5: Solve for x
    x = 881,301,667.25/30,514.92
  6. Step 6: Final answer
    x = 28,881.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.