Home / 33,421.99-46,117.95-19,988.34

Finding the Fourth Proportional to 33,421.99, 46,117.95 and 19,988.34

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Solution

The fourth proportional to 33,421.99, 46,117.95 and 19,988.34 is: 27,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.99 : 46,117.95 = 19,988.34 : x
  2. Step 2: Convert to fraction form
    33,421.99/46,117.95 = 19,988.34/x
  3. Step 3: Cross multiply
    33,421.99x = 46,117.95 × 19,988.34
  4. Step 4: Simplify right side
    33,421.99x = 921,820,934.17
  5. Step 5: Solve for x
    x = 921,820,934.17/33,421.99
  6. Step 6: Final answer
    x = 27,581.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.