Home / 39,829.08-54,957.70-22,830.20

Finding the Fourth Proportional to 39,829.08, 54,957.70 and 22,830.20

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Solution

The fourth proportional to 39,829.08, 54,957.70 and 22,830.20 is: 31,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,829.08 : 54,957.70 = 22,830.20 : x
  2. Step 2: Convert to fraction form
    39,829.08/54,957.70 = 22,830.20/x
  3. Step 3: Cross multiply
    39,829.08x = 54,957.70 × 22,830.20
  4. Step 4: Simplify right side
    39,829.08x = 1,254,695,282.54
  5. Step 5: Solve for x
    x = 1,254,695,282.54/39,829.08
  6. Step 6: Final answer
    x = 31,501.99

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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.