Home / 40,455.96-55,702.19-34,394.28

Finding the Fourth Proportional to 40,455.96, 55,702.19 and 34,394.28

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Solution

The fourth proportional to 40,455.96, 55,702.19 and 34,394.28 is: 47,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.96 : 55,702.19 = 34,394.28 : x
  2. Step 2: Convert to fraction form
    40,455.96/55,702.19 = 34,394.28/x
  3. Step 3: Cross multiply
    40,455.96x = 55,702.19 × 34,394.28
  4. Step 4: Simplify right side
    40,455.96x = 1,915,836,547.50
  5. Step 5: Solve for x
    x = 1,915,836,547.50/40,455.96
  6. Step 6: Final answer
    x = 47,356.10

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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.