Home / 47,389.52-65,428.26-29,491.76

Finding the Fourth Proportional to 47,389.52, 65,428.26 and 29,491.76

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Solution

The fourth proportional to 47,389.52, 65,428.26 and 29,491.76 is: 40,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.52 : 65,428.26 = 29,491.76 : x
  2. Step 2: Convert to fraction form
    47,389.52/65,428.26 = 29,491.76/x
  3. Step 3: Cross multiply
    47,389.52x = 65,428.26 × 29,491.76
  4. Step 4: Simplify right side
    47,389.52x = 1,929,594,594.11
  5. Step 5: Solve for x
    x = 1,929,594,594.11/47,389.52
  6. Step 6: Final answer
    x = 40,717.75

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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.