Home / 56,911.38-78,545.63-31,762.50

Finding the Fourth Proportional to 56,911.38, 78,545.63 and 31,762.50

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Solution

The fourth proportional to 56,911.38, 78,545.63 and 31,762.50 is: 43,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911.38 : 78,545.63 = 31,762.50 : x
  2. Step 2: Convert to fraction form
    56,911.38/78,545.63 = 31,762.50/x
  3. Step 3: Cross multiply
    56,911.38x = 78,545.63 × 31,762.50
  4. Step 4: Simplify right side
    56,911.38x = 2,494,805,414.06
  5. Step 5: Solve for x
    x = 2,494,805,414.06/56,911.38
  6. Step 6: Final answer
    x = 43,836.67

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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.