Home / 37,749.61-56,599.50-21,111.40

Finding the Fourth Proportional to 37,749.61, 56,599.50 and 21,111.40

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Solution

The fourth proportional to 37,749.61, 56,599.50 and 21,111.40 is: 31,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,749.61 : 56,599.50 = 21,111.40 : x
  2. Step 2: Convert to fraction form
    37,749.61/56,599.50 = 21,111.40/x
  3. Step 3: Cross multiply
    37,749.61x = 56,599.50 × 21,111.40
  4. Step 4: Simplify right side
    37,749.61x = 1,194,894,401.30
  5. Step 5: Solve for x
    x = 1,194,894,401.30/37,749.61
  6. Step 6: Final answer
    x = 31,653.16

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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.