Home / 40,439.80-60,659.70-34,802.20

Finding the Fourth Proportional to 40,439.80, 60,659.70 and 34,802.20

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Solution

The fourth proportional to 40,439.80, 60,659.70 and 34,802.20 is: 52,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439.80 : 60,659.70 = 34,802.20 : x
  2. Step 2: Convert to fraction form
    40,439.80/60,659.70 = 34,802.20/x
  3. Step 3: Cross multiply
    40,439.80x = 60,659.70 × 34,802.20
  4. Step 4: Simplify right side
    40,439.80x = 2,111,091,011.34
  5. Step 5: Solve for x
    x = 2,111,091,011.34/40,439.80
  6. Step 6: Final answer
    x = 52,203.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.