Home / 40,870.40-56,407.83-34,053.60

Finding the Fourth Proportional to 40,870.40, 56,407.83 and 34,053.60

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Solution

The fourth proportional to 40,870.40, 56,407.83 and 34,053.60 is: 46,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,870.40 : 56,407.83 = 34,053.60 : x
  2. Step 2: Convert to fraction form
    40,870.40/56,407.83 = 34,053.60/x
  3. Step 3: Cross multiply
    40,870.40x = 56,407.83 × 34,053.60
  4. Step 4: Simplify right side
    40,870.40x = 1,920,889,679.69
  5. Step 5: Solve for x
    x = 1,920,889,679.69/40,870.40
  6. Step 6: Final answer
    x = 46,999.54

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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.