Home / 37,155.72-51,271.50-22,045.78

Finding the Fourth Proportional to 37,155.72, 51,271.50 and 22,045.78

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Solution

The fourth proportional to 37,155.72, 51,271.50 and 22,045.78 is: 30,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.72 : 51,271.50 = 22,045.78 : x
  2. Step 2: Convert to fraction form
    37,155.72/51,271.50 = 22,045.78/x
  3. Step 3: Cross multiply
    37,155.72x = 51,271.50 × 22,045.78
  4. Step 4: Simplify right side
    37,155.72x = 1,130,320,209.27
  5. Step 5: Solve for x
    x = 1,130,320,209.27/37,155.72
  6. Step 6: Final answer
    x = 30,421.16

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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.