Home / 51,916.16-77,866.92-16,856.24

Finding the Fourth Proportional to 51,916.16, 77,866.92 and 16,856.24

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Solution

The fourth proportional to 51,916.16, 77,866.92 and 16,856.24 is: 25,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.16 : 77,866.92 = 16,856.24 : x
  2. Step 2: Convert to fraction form
    51,916.16/77,866.92 = 16,856.24/x
  3. Step 3: Cross multiply
    51,916.16x = 77,866.92 × 16,856.24
  4. Step 4: Simplify right side
    51,916.16x = 1,312,543,491.58
  5. Step 5: Solve for x
    x = 1,312,543,491.58/51,916.16
  6. Step 6: Final answer
    x = 25,281.98

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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.