Home / 40,605.79-56,037.23-22,701.55

Finding the Fourth Proportional to 40,605.79, 56,037.23 and 22,701.55

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Solution

The fourth proportional to 40,605.79, 56,037.23 and 22,701.55 is: 31,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.79 : 56,037.23 = 22,701.55 : x
  2. Step 2: Convert to fraction form
    40,605.79/56,037.23 = 22,701.55/x
  3. Step 3: Cross multiply
    40,605.79x = 56,037.23 × 22,701.55
  4. Step 4: Simplify right side
    40,605.79x = 1,272,131,978.71
  5. Step 5: Solve for x
    x = 1,272,131,978.71/40,605.79
  6. Step 6: Final answer
    x = 31,328.83

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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.