Home / 40,918.08-56,466.12-22,768.40

Finding the Fourth Proportional to 40,918.08, 56,466.12 and 22,768.40

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Solution

The fourth proportional to 40,918.08, 56,466.12 and 22,768.40 is: 31,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918.08 : 56,466.12 = 22,768.40 : x
  2. Step 2: Convert to fraction form
    40,918.08/56,466.12 = 22,768.40/x
  3. Step 3: Cross multiply
    40,918.08x = 56,466.12 × 22,768.40
  4. Step 4: Simplify right side
    40,918.08x = 1,285,643,206.61
  5. Step 5: Solve for x
    x = 1,285,643,206.61/40,918.08
  6. Step 6: Final answer
    x = 31,419.93

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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.