Home / 40,417.78-55,777.54-22,513.08

Finding the Fourth Proportional to 40,417.78, 55,777.54 and 22,513.08

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Solution

The fourth proportional to 40,417.78, 55,777.54 and 22,513.08 is: 31,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.78 : 55,777.54 = 22,513.08 : x
  2. Step 2: Convert to fraction form
    40,417.78/55,777.54 = 22,513.08/x
  3. Step 3: Cross multiply
    40,417.78x = 55,777.54 × 22,513.08
  4. Step 4: Simplify right side
    40,417.78x = 1,255,724,220.22
  5. Step 5: Solve for x
    x = 1,255,724,220.22/40,417.78
  6. Step 6: Final answer
    x = 31,068.61

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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.