Home / 40,525.06-55,919-22,618.40

Finding the Fourth Proportional to 40,525.06, 55,919 and 22,618.40

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Solution

The fourth proportional to 40,525.06, 55,919 and 22,618.40 is: 31,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,525.06 : 55,919 = 22,618.40 : x
  2. Step 2: Convert to fraction form
    40,525.06/55,919 = 22,618.40/x
  3. Step 3: Cross multiply
    40,525.06x = 55,919 × 22,618.40
  4. Step 4: Simplify right side
    40,525.06x = 1,264,798,309.60
  5. Step 5: Solve for x
    x = 1,264,798,309.60/40,525.06
  6. Step 6: Final answer
    x = 31,210.28

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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.