Home / 37,130.50-51,240.63-20,363.50

Finding the Fourth Proportional to 37,130.50, 51,240.63 and 20,363.50

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Solution

The fourth proportional to 37,130.50, 51,240.63 and 20,363.50 is: 28,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.50 : 51,240.63 = 20,363.50 : x
  2. Step 2: Convert to fraction form
    37,130.50/51,240.63 = 20,363.50/x
  3. Step 3: Cross multiply
    37,130.50x = 51,240.63 × 20,363.50
  4. Step 4: Simplify right side
    37,130.50x = 1,043,438,569.01
  5. Step 5: Solve for x
    x = 1,043,438,569.01/37,130.50
  6. Step 6: Final answer
    x = 28,101.93

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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.