Home / 42,766.08-59,290.80-40,407.36

Finding the Fourth Proportional to 42,766.08, 59,290.80 and 40,407.36

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Solution

The fourth proportional to 42,766.08, 59,290.80 and 40,407.36 is: 56,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.08 : 59,290.80 = 40,407.36 : x
  2. Step 2: Convert to fraction form
    42,766.08/59,290.80 = 40,407.36/x
  3. Step 3: Cross multiply
    42,766.08x = 59,290.80 × 40,407.36
  4. Step 4: Simplify right side
    42,766.08x = 2,395,784,700.29
  5. Step 5: Solve for x
    x = 2,395,784,700.29/42,766.08
  6. Step 6: Final answer
    x = 56,020.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.