Home / 40,860.02-56,389.23-30,770.66

Finding the Fourth Proportional to 40,860.02, 56,389.23 and 30,770.66

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Solution

The fourth proportional to 40,860.02, 56,389.23 and 30,770.66 is: 42,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.02 : 56,389.23 = 30,770.66 : x
  2. Step 2: Convert to fraction form
    40,860.02/56,389.23 = 30,770.66/x
  3. Step 3: Cross multiply
    40,860.02x = 56,389.23 × 30,770.66
  4. Step 4: Simplify right side
    40,860.02x = 1,735,133,542.05
  5. Step 5: Solve for x
    x = 1,735,133,542.05/40,860.02
  6. Step 6: Final answer
    x = 42,465.32

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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.