Home / 37,320.06-51,506.55-21,401.40

Finding the Fourth Proportional to 37,320.06, 51,506.55 and 21,401.40

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Solution

The fourth proportional to 37,320.06, 51,506.55 and 21,401.40 is: 29,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,320.06 : 51,506.55 = 21,401.40 : x
  2. Step 2: Convert to fraction form
    37,320.06/51,506.55 = 21,401.40/x
  3. Step 3: Cross multiply
    37,320.06x = 51,506.55 × 21,401.40
  4. Step 4: Simplify right side
    37,320.06x = 1,102,312,279.17
  5. Step 5: Solve for x
    x = 1,102,312,279.17/37,320.06
  6. Step 6: Final answer
    x = 29,536.72

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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.