Home / 39,312.95-54,252.38-22,315.91

Finding the Fourth Proportional to 39,312.95, 54,252.38 and 22,315.91

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Solution

The fourth proportional to 39,312.95, 54,252.38 and 22,315.91 is: 30,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.95 : 54,252.38 = 22,315.91 : x
  2. Step 2: Convert to fraction form
    39,312.95/54,252.38 = 22,315.91/x
  3. Step 3: Cross multiply
    39,312.95x = 54,252.38 × 22,315.91
  4. Step 4: Simplify right side
    39,312.95x = 1,210,691,013.89
  5. Step 5: Solve for x
    x = 1,210,691,013.89/39,312.95
  6. Step 6: Final answer
    x = 30,796.24

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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.