Home / 37,312.28-51,490.80-20,545.28

Finding the Fourth Proportional to 37,312.28, 51,490.80 and 20,545.28

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Solution

The fourth proportional to 37,312.28, 51,490.80 and 20,545.28 is: 28,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.28 : 51,490.80 = 20,545.28 : x
  2. Step 2: Convert to fraction form
    37,312.28/51,490.80 = 20,545.28/x
  3. Step 3: Cross multiply
    37,312.28x = 51,490.80 × 20,545.28
  4. Step 4: Simplify right side
    37,312.28x = 1,057,892,903.42
  5. Step 5: Solve for x
    x = 1,057,892,903.42/37,312.28
  6. Step 6: Final answer
    x = 28,352.41

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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.