Home / 40,415.04-55,587.69-32,439.78

Finding the Fourth Proportional to 40,415.04, 55,587.69 and 32,439.78

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Solution

The fourth proportional to 40,415.04, 55,587.69 and 32,439.78 is: 44,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.04 : 55,587.69 = 32,439.78 : x
  2. Step 2: Convert to fraction form
    40,415.04/55,587.69 = 32,439.78/x
  3. Step 3: Cross multiply
    40,415.04x = 55,587.69 × 32,439.78
  4. Step 4: Simplify right side
    40,415.04x = 1,803,252,434.31
  5. Step 5: Solve for x
    x = 1,803,252,434.31/40,415.04
  6. Step 6: Final answer
    x = 44,618.35

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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.